If h(x) = x^2 - 3x + 5

questions:

1.) h(-3)

2.) h(5)

What is (28 + 7 + 6 + 3) x 1/2 show your work

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.

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.