9. A triangle has a perimeter of 90 centimeters.

a. Write and use a linear system to determine

the lengths of sides l, m, and n.

_=m-n

b. Is the triangle a right triangle? Explain.

m = 5n - 5

Greg was adding numbers on a number line. He started on - 5 and then he added - 8. Greg wrote that the answer was + 13. Is Greg's answer reasonable? A. No, it is not reasonable because - 5 + - 8 = - 13. B.

Find the inverse of the function h (x) = x^2+6x+9 and indicate restrictions on the domain, if any

If sin theta=-3/5 and cos theta>0, what is the value of tan theta? 1) 3/4 2) - 3/4 3) 4/3 4) - 4/3

Do y = 2x + 3 and 2y - x = 6 represent the same line? How do you know?

Find the interest due on 1200 at 8% for 240 days.

The incorrect work of a student to solve an equation 2 (y + 8) = 4y is shown below: Step 1: 2 (y + 8) = 4y Step 2: 2y + 10 = 4y Step 3: 2y = 10 Step 4: y = 5 Which of the following explains how to correct Step 2 and shows the correct value of y?

How do I solve 12.92 divided by 3.4

A rectangular prism has a length of 16 feet, a width of 9 feet, and a height of 8 feet. Find the volume of the prism.

William has 8 1/4 cups of fruit juice. If he divides the juice into 3/4 cup servings, how many servings will he have?

Leo bought 6 chew toys for his new puppy each chew toy cost $4 how much did Leo spend for the chew toys