Evaluate 5x2-9 when x=-2

Determine the nature of the roots 4x^2 + 13x + 6 = 0

What is the answer Evaluate 6a2 if a = 4

A pet store is selling organic cat food for 40% off the original price of each can Yandel goes in and buys his cat 20 cans of food at the sale price for a total of $42. Each can of this organic cat food costs the same amount.

What does x equal in the equation - 2.3x-4.2x=-66.3

There are 11 bicycles at Matt's house. 5 are in the driveway and the rest are on the lawn. How many bicycles are on the Matt's lawns

A local technical school has 856 students. They expect 700 guests for a special speaker. The custodian has set up 1,500 chairs. How many more chairs are needed if all visitors and students are to have seats?

How to split numbers to multiply

Compare - 6 broken bulbs out of 20 or 7 broken bulbs out of 30

Each of the 10 players on the basketball team shot 100 free throws, and the average number of baskets made was 75. When the highest and lowest scores were eliminated, the average of baskets for the remaining 8 players was 79.

Use elimination to solve 2x+3y=4 4x+6y=-5