What are the foci of the hyperbola with the equation 25x^2-4y^2=400

Show work

Simplify this exponent 10^7

How many terms are in the arithmetic sum 15 + 18 + 21 + ... + 99? n = 1,653 n = 28 n = 27 n = 29

What is the next term for the geometric sequence 108,36,12

In Charlie's family, two people have blue eyes, and three people have brown eyes. Write a fraction to represent the part of the family that has blue eyes.

2. The following formula relates three quantities: Force (F), mass (m), and acceleration (a). F = ma (a) Solve this equation for a. (b) Let the force be F=minus 25 units and the mass be m = 10 units.

The last square of the chessboard is square 64. How many pennies are on square 64?

Im going to buy huaraches in womens (7.5) so do i order that size or order an 8?

Ms Cooke bought 9/10 of a cake. She ate 2/5 of her cake. How much cake left.

The average of 4 number is 85. if three of the numbers are 76, 78, and 81 what is the fourth number.

Aiden and Ryan are collecting clothes for a shelter. Ryan collected 1/4 as many clothes as Aiden did. If Aiden collected 12 bags of clothes, which expression below could you use to find out how many bags of clothes Ryan collected? a. 12 : 1/4 b.