There are 4 russian dolls. the largest doll is 12 inches tall. the height of each of the other dolls is 7/10 the height of the next larger doll. what expression can be used to find the height of the smallest doll?

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

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =