The art teacher has 48 paintbrushes. She puts 8 paintbrushes on each table in her classroom. how many tables are in her classroom

The following sum is a partial sum of an arithmetic sequence; use either formula for finding partial sums of arithmetic sequences to determine its value. -9+1 + ... + 561

John and 4 friends are going out for pizza for lunch. They split one pizza and 5 large drinks. The pizza cost $10.00. After using a $4.00 gift certificate, they spend a total of $13.50.

A bag contains 4 red balls numbered 2, 4, 5, 8 and 6 white balls numbered 1, 3, 6, 7, 9, 10. if a ball is drawn at random, what is the probability the ball is a. red or odd-numbered b. white or even-numbered?

All 150 eighth grade students at a local middle school were asked how many hours they studied during the week. Each row of the table represents one sample from the population. Find the mean of each sample.

How to solve quadratic equations and complex numbers

How do i find the zero of (x-10) (4x-3) = 0

A rectangle has a height of 5x and a width of x + 2, express the area of the rectangle.

Richard buys, fixes, resells small devices, like the Mir487, which consistently needs a transistor replaced. He can buy the transistor for $8.10 and a broken Mir487 for $51.90. Once fixed, he resells the new Mir487 for $224.96.

Keyla has one pizza. She wants to share her pizza with her 5 friends (and herself). How much pizza will each person receive.?

X^2-10x+21x2-10x+21