Two mathematically similar frustums have heights of 20cm and 30cm.

The surface area of the smaller frustum is 450cm².

Calculate the surface area of the larger frustum.

Nicole has $9 to spend on cards she finds friends with the same amount of money to split the cost of a set one set cost $27 each friend gets the same number of cards how many cards does each friend get?

5t^2-5.5-3.5t+1.5t^2+4t

Convert: 15 cubic meters to cubic feet (to the nearest tenth).

Sarah has 6 2/4 meters of rope and 3 3/4 meters of string. how much more rope does sarah have than string?

Compare 8.25 and 8.250

A man earns $112 interest in one year on an investment of $1,400. what was his rate of interest

Scientific notation of 0.0000000915

What are the values of x in the equation x2 - 6x + 9 = 25? x = - 2 or x = 8 x = - 1 or x = - 11 x = 1 or x = 11 x = 2 or x = - 8

Write a quadratic function whose zeros are 2 and 5 .

Solve the system of equations: (Find the ordered pair that is a solution to both equations). y=4x-3y=-2x+9