When kx^3+px^2-x+3 is divided by x-1, the remainder is 4. when kx^3+px^2-x+3 is divided by x-2, the remainder is 21. find the values of k and p.

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x