Why is math so hard but yet so easy? why is there so many different maths?

Calculate the sum of the infinite series S (infinity) = 20-10+5 - ...

A Student select a marble from a bag, keeps it and select another. The bag contains 5 Green marbles 4 black marbles and 2 blue marbles. Find the probability of selecting a green marble on the first trial and a black marble on the second trial.

What is simplest form of 45 1/2

At a dog shelter a 24 pound bag of dog food will feed 32 dogs. How many dogs will u feed with a 12 pound bag of dog food? (pounds of dog food) 12,24, 36, Number of dogs fed (blank 32, 48

On a recent social studies exam, Juanita answered 34 out of 40 questions correctly. Find Juanita's grade as a percent. A. 77% B. 80% C. 82% D. 85%

A football field is sloped from the center toward the sides for drainage. The height h, in feet, of the field x feetfrom, the side, is given by h=-0. 00025x2 + 0 04x.

Cherie owes $6,230 on her Electronics Boutique credit card with a 20.4% interest rate. She owes $2,960 on her Miscellaneous Goods credit cards which has a 28.1% interest rate.

What is the next number in the sequence: 6, 11/2, 5, 9/2, 4

Eight laps of a pool is equal to one mile victor's swam 96 laps last week. How many miles good victors swim? The bar diagram to write solve and solve an equation.

Round 9.24 to the nearest whole number.