How to calculate percentages? For example 25% of (random number)

There are 378 million children who probably believe in Santa Claus. but some have been naughty so they don't get presents. however, once all the math is done Santa still has to stop in 91.8 million homes.

There are 9 apples. there are 6 fewer apples than oranges. how many oranges are there

Jesse and Miya are playing the integer card game Jessie's hand 3 - 5 9 - 6 what is the total score of Jesse's hand

The test scores on the Chapter 10 mathematics test have a mean of 52 and a standard deviation of 10. Andrea scored 76 on the test. How many standard deviations from the mean is that?

Charlie wants to order lunch for his friends. He'll order 5 sandwiches and a $3 kid's meal for his little brother. Charlie has $28.

A company rents vans for a rental fee of $18.00 per day with an additional charge of $0.45 per miles that a can is driven. Write an equation the represents the cost (c) of renting a van for one day and driving (m) miles.

How do you factor out the trinomial: 6x²+14x+4

What will be the shape of the model for 10000

Expand the expression In (2x^3/5y)

Dr. Casey has a cylindrical beaker he fills with about 113 cubic inches of hydrochloric acid. The hydrochloric avid has a height of 4 inches in the beaker. To the nearest inch, what is the diameter of the hydrochloric acid in Casey's container?