Can someone help find each measurement indicated and round the answers to nearest tenth?

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r

When a rectangle is dilated, how do the perimeter and area of the rectangle change?