A boys buys 9 apples for Rs 9.60 and sells them at 11 for rs 12 find his gain or loss percent

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

If square root x = -7, then x= -49 true or false

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?