Find the ratio in simplest form. 15 minutes to 2 hours? 1/8 2/15 15/2

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)