Arătati ca:

(5 puterea n + 5 puterea n+1 + 5 la puterea n) se divide cu 31.

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?

Simplify: 3x (-11x + 1) A) - 33x2 + 3x B) - 33x2 + 1 C) - 33x + 1 D) - 30x

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.