12. Jackson has 389 ants in his ant farm. He puts

10 more ants in the farm. The next day, he

adds 100 more. How many ants are in his ant

farm now?

Use this system of equations to answer the questions that follow. 4x-9y = 7 -2x + 3y = 4 what number would you multiply the second equation by in order to eliminate the x-terms when adding the first equation?

What fraction with a denominator of 8 is equivalent to 1/2

A park in the shape of a right triangle is set in the middle of 3 square rose gardens, with one garden along each side. Which statement is true about the 3 gardens? A) The area of Garden B minus the area of Garden C is equal to the area of Garden A.

Four teams A, B, C, and D compete in a tournament, and exactly one of them will win the tournament. Teams A and B have the same chance of winning the tournament. Team C is twice as likely to win the tournament as team D.

Aaron's score on a pre-algebra test was 92. His score on a second pre-algebra test was 84. Which of the following is closest to the percent of decrease in aaron score?

What is eight worth in 8.517

Christy drove 270 miles in 6 hours at a constant speed how long would it take her to drive 405 miles at the same speed?

A sporting goods store pays 180 for a rubber raft. the percent of markup is 55 percent. find the rafts selling price A) $327.27 B) $81 C) $99 D) $279

Does a square with sides of 14" long have a greater area than a circle with a radius of 8"? (Use 3.14 for pie) Answer Yes or No and explain how you know.

How to find the area r = 6 ft