A data set whose original x values ranged from 41 through 78 was used to generate a regression equation of hat (y)=5.3x-21.9 Use the regression equation to predict the value of y when x=70 Homework Help: 7VC. Validity of regression equation to estimate y from values of x(3:00) 392.9 Meaningless result 349.1 402.1

$5,201\quad -\quad 3,\quad 052\quad =\underline {\quad }$

Find the perimeter of the triangle with these vertices. $(4,3),(-3,3),(-3,-3)$ Give an exact answer (not a decimal approximation). Simplify your answer as much as possible.

) Select all the factor pairs of 28. 4 and 6 2 and 14 3 and 7 1 and 28 4 and 7 3 and 9

8) $\frac {2\sqrt [5]{5p^{2}}}{\sqrt [5]{16p}}$

Solve. $6x^{\wedge }4-7x^{\wedge }2+2=0$

8. Which of these below correctly solves for yof the equation $3x-2=4y+5$ $y=-3x-5$ $y=-\frac {3}{4}x+\frac {7}{4}$ $y=\frac {3}{4}x-\frac {7}{4}$ $y=3x+5$

2. What value of x makes this equation true? $6-x=5x+30$

4)) Find the number that makes the ratio equivalent to $2:11$ $\square :88$

5) Solve the equation below for III. $-8=\frac {m+7}{-4}$

Solve the equation a $0=x^{3}-4x^{2}-21x$ b $2x^{4}-6x^{3}=12x^{2}-36x$