If you are offered an investment that pays 3.5% simple interest, and you plan to invest for 4 years, about how much do you have to invest to end up earning at least $500

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

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=