Suppose r varies directly with t and that r=40 when t=5. what is the value of r when t=11?

Joe bought a television for $286.26, includingbl tax. He made a down payment of $100.00 and paid the balance in 6 equal mouthly payments. What was Joe's monthly payment for this television?

The regular price of a Space Invader game is $52, but it is on sale. The discount is $13. What percent discount is this

Given: Equilateral Triangle GHJ. Angle G = 3x; Angle H = 4y; Angle J = 5z. Find the values of x, y and z. x = y = z =

Suppose that y varies inversely with x. write an equation for the inverse variation. y = 2 when x = 3

One B has a diameter of 12 kilometers and a slant height of 10 kilometers. Determine the volume of Cone B. 120km^3 96km^3 144km^3 384km^3 So, I've tried doing this two different ways and got 376.8 and 301.

Norma received one penny on first day of the month and each day after that she received triple number of pennies

Round-trip bus fare is $2. Justin rides the bus 5 days a weeks to work and 2 nights a week to school. He can buy a pass at school that allows 6 months of unlimited bus rides for $400.

Suppose that the number of inhabitants of country a is given by y=-7.24x+937.69 million, and the number of inhabitants of country b is given y=2.16x+834.29 million, where x is the number of years since 1960.

What is the sum of the geometric sequence 1, 3, 9, if there are 11 terms?

What is the volume of a sphere if the radius is six