Elise says if you subtract 14 for my number multiply the difference by -7 the result is -105?

Aregression was run to determine if there is a relationship between hours of tv watched per day (x) and number of situps a person can do (y). the results of the regression were: y=ax+b a=-0.662 b=30.418 r2=0.703921 r=-0.839

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?