Which expressions are perfect square trinomials? Check all that apply.

x2 + 16x + 8

x2 + 14x + 49

x2 - 5x + 25

x2 - 24x + 144

x2 + 9x - 81

Gina has a circular gold bracelet with a diameter of 3 inches. She wants to cover the bracelet with a strip of lace. How long should the strip of lace be to cover the bracelet entirely without any excess? Use 3.14 for π.

The area of a rectangle is 56 centimeters. The length is 2 centimeters more than x and the width is 5 Centimeters less than twice X. Solve for x. Round to the nearest whole number

What is the side length of a square with an area of 8 square units?

You run 434434 miles through a park each day. If you ran that distance 55 times last week, how many miles did you run?

Find the slope if it exists, of the line containing the pair (3,4) and (3,-7)

Mr. Sanchez's class sold fruit pies for $1.55 each and Mr. Kelly's class sold bottles of fruit juice for $1.40 each. Together, the classes sold 60 items and earned $88.20 for their school. Write and solve a system of equations that model the problem.

Outside temperatures over the course of a day can be modeled as a sinusoidal function. Suppose the high temperature of105°Foccurs at 5PM and the average temperature for the day is85°F. Find the temperature, to the nearest degree, at 9AM.

Solve 4x + 8y = 32 for x.

A box has a length of 15 centimeters, a width of 22 centimeters, and a height of 9 centimeters. what is the surface area of the box?

6. True or False. sec^-1 (0.5) is undefined. Explain your answer.