Add and simplify. Write the answer as an improper fraction as needed.
+ 
A. 
B. 
C. 
D. 
Answer: A
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Perform the operation and reduce to lowest terms.6 × 7
A. 42
B. 46
C. 46
D. 13
Solve the problem.Among 170 households surveyed, 53 have a video camera, 52 have a snapshot camera, 30 have binoculars, 7 have a video camera and a snapshot camera, 8 have a snapshot camera and binoculars, and 6 have all three products. What is the probability that a household will have a snapshot camera or binoculars? Express the answer as a fraction.
A. 
B. 
C. 
D. 
Solve the problem.The distance, d, in feet, that an object falls in t seconds is modeled by the formula 
If a window washer drops her bucket from the roof of a 400-foot building, how long will it take the bucket to hit the ground?
A. 
sec
B. 6 sec
C. 
sec
D. 5 sec
Solve. Write a mixed numeral for the answer.Find the length of the section represented by x in the figure. 
a = 25
b = 1
c = 14
A. 10
B. 10
C. 12
D. 38