Find the measure of the indicated angle to the nearest degree

What is the exact volume of the cylinder (radius 13 in., height 30 in.)

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.

What is the reflection image of (5,-3) across the line y = -x?