Solve x2 + 4x - 4 = 8 for x.

A. - 6 or x = 2

B. x = - 2 + or - 2 with a square root of 2

C. x = - 2 or x = 6

D. x = 2 + or - 2 with a square root of 2

Eli has a number cube. Each side has a different number: 1 comma 2 comma 3 comma 4 comma 5 comma, or 6. Eli will roll the number cube once. What is the probability he will roll a 4?

What is the square foot of 256

One inlet pipe can fill an empty pool in 4 hours, and a drain can empty the pool in 8 hours. how long will it take the pipe to fill the pool if the drain is left open?

What is the volume of the following rectangular prism? Height: 1 1/3 Base: 4 1/2

Zach uses his car for business and must keep accurate driving records so that his company will reimburse him for car expenses. When he started his trip, the odometer read 26.645, When he returned home, the odometer read 28,017.

Georgia has $38 to spend at the movie theater. She goes with two friends. They all got one piece of candy. If each ticket cost $10 and each piece of candy cost $3.50, do they have enough money?

The length of a rectangle is five times the width. If the width is represented by z , then build a variable expression that describes the length.

The diameter of a sphere is 8 cm. Which could be a possible length for the radius of a cross section of the sphere? Check all that apply. 2 cm 3 cm 4 cm 5 cm 6 cm

The price of a digital camera sold in stores is $129. It is sold on eBay for $65. What is the percent decrease from the store's price to the online price

A circle has a radius of 11 inches and a central angle AOB that measures 45°. What is the area of sector AOB? Use 3.14 for pi and round your answer to the nearest tenth. a. 47.5 in2 b. 11.9 in2 c. 8.6 in2 d. 4.3 in2