Susan found a bag of 20 golf balls at a garage sale, and bought the bag for $2.00. Express the ratio of cost to number of balls in lowest terms. Use the colon to write the ratio.

1. what are the missing reasons in the proof 2. it's in the second picture and 3

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

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.