If a:b=3:4then find the value of (
5a+4b).​

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

What is the y-intercept of the line given by the equation

An octagonal prism has jow many lateral faces?