If one zero of the polynomial (a^2+9) x^2+13x+6a is the reciprocal of the other, find the value of a.

Maria solved the equation - 5 1/8 n = - 9 3/4 her answer was n = 1 37/41. She is fairly confident about her answer, but she wants to do a quick check of her solution using estimation. Which of the following shows a good check of her answer? a.

Joe borrowed $2,000 from the bank at a rate of 7% simple interest per year. How much interest did he pay in 3 years? In 3 years, Joe pays $ in interest.

The heights in inches of seven basketball players are listed below. 70, 74, 80, 86, 77, 85, 81 What is the interquartile range of the heights? A. 11 B. 10 C. 12 D. 79

What type of number can be written as a fraction p/q are integers and q is not equal to zero

Solve the equation below for x by graphing. x ≈ - 2.50 x ≈ 2.50 x ≈ - 0.50 x ≈ - 6.00

Solve for x: x - 2 > 2x + 12. A. x > 14 B. x < 14 C. x > - 14 D. x < - 14

One summer conservation officials caught and tagged 98 beavers in a rivers flood plain. later, 50 beavers were caught and 32 had been tagged. estimate the size of the beaver population

What does 4x-2x-20x+x equal

What is the area of a triangle if the base is 4 and the hight is 3?

A rectangle has a length of 19 inches and a width of 15 inches. What is the perimeter of the rectangle?