A cellphone company charges a plan rate of $19 per month, in addition to $0.06 for every call that is made. Based on phone usage, a customer's average cost per call was $0.20. How many calls did the customer make that month

What aspects of lines have to be diffrent

Which equation represents the model shown? a)1/3 divide 1/6 = 2 b)2/3 divide 1/6 = 2/18 c)1/3 divide 1/6 = 1/18 d)2/3 divide 1/6 =4

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?