Simplify. Assume that no radicands were formed by raising negative quantities to even powers.-7
+ 8
- 5
A. -287
B. -7
C. 287
D. -40
Answer: D
You might also like to view...
Translate the algebraic expression to a word phrase.
What will be an ideal response?
Solve the problem.If x is the hydrogen ion concentration of a sample of water, then the pH of that water sample is 
If the pH of the water from one lake is 4.9 and the pH of the water from a second lake is 6.8, how many times greater is the hydrogen ion concentration of the second lake than the hydrogen ion concentration of the first lake? Round your answer to the nearest hundredth.
A. 5.26 B. 24.42 C. 0.01 D. 79.43
Find the length of the section represented by x in the figure. 
a = 26
b = 1
c = 12
A. 12
B. 15
C. 12
D. 36
Solve the problem.Find the total surface area of a 5 ft by 4 ft by 3 ft box.
A. 104 ft2 B. 94 ft2 C. 47 ft2 D. 82 ft2