Flying lessons on weekdays cost m dollars per hour. Flying lessons on weekends cost 1.2m dollars per hour. The expression 9m+3(1.2m) represents the total dollar amount that Maren spent on flying lessons. What does the 9m in the expression represent? the cost of all the flying lessons that Maren took on weekends the cost of all the flying lessons that Maren took on weekdays the number of hours of flying lessons that Maren took on weekdays the number of hours of flying lessons that Maren took on weekends

1 Fill in the Hank 3points Ahistogram can give you the $\square $ the data, the choose your answer. of the data. choose your answer. $\square $ and the $\square $ v choose your answer- choose your answer... end The barsor intervals in a histor shape and represent the data. 2

Apply the distributive property to the expression. $100(0.07a+0.02b)=\square $

51. Find the volume of a pyramid with a square base, where the perimeter of the base is 15.8 ft and the height of the pyramid is 20.4 ft. Round your answer to the nearest tenth of a cubic foot.

4) $v^{1}=$ A) 0 B) 1 OC) v OD) $1/v$

What is the range of the function graphed above? $-\infty \lt y\leqslant 2$ $-\frac {3}{2}\leqslant y\lt \infty $ $-\infty \lt y\lt \infty $ $\{ 2\} $

2. You are inscribing a regular pentagon in a cIrcle. You need to know the angle measure between the vertices. You divide $360^{\circ }$ by what number? 3 s 6

Which equation represents a line that has a slope of $-\frac {1}{2}$ and passes through point $(4,-5)$ $y=-\frac {1}{2}x+\frac {3}{2}$ $y=-\frac {1}{2}x+\frac {13}{2}$ $y=-\frac {1}{2}x-7$ $y=-\frac {1}{2}x-3$

Smartphones: A poll agency reports that $38\% $ of teenagers aged $12-17$ own smartphones. A random sample of 120 teenagers is drawn. Round your answers to at least four decimal places as needed Part: 0/6 Part 1 of 6 (a) Find the mean $\mu _{\hat {p}}$ The mean $\mu _{\hat {p}}$ is 45.6000 Part: 1/6 Part 2 of 6 (b) Find the standard deviation $\sigma _{\hat {p}}$ The standard deviation $\sigma _{\hat {p}}$ is $\square $

1. If $x+3=7$ then x equals: A. 3 B. 4 C. 5 D. 10

Find the angle $\beta $ between $0^{\circ }$ and $180^{\circ }$ that satisfies the following equation. $21^{2}=20^{2}+29^{2}-(2)(20)(29)cos\beta $ $\beta \approx \square ^{\circ }$ (Round to one decimal place as needed.)