If a 12-foot tree casts a 6- foot shadow, how tall is the tree if it is 4-foot shadow

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?

How do i put 3(x+7) in distributive property