What is the length of ? round to the nearest tenth

6.8 cm
7.5 cm
14.5 cm
17.7 cm

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

Factor the expression using the gcf. the expression 21m−49n factored using the gcf