Add or subtract as indicated. Express the answer in feet and inches.8 ft 9 in. + 13 ft 5 in.
A. 21 ft 2 in.
B. 21 ft 5 in.
C. 22 ft 4 in.
D. 22 ft 2 in.
Answer: D
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Find the exact number of days from the first date to the second. Assume that the second month is in the following year, and assume no leap years.April 24 to February 22
A. 304 days B. 290 days C. 303 days D. 305 days
Solve and give interval notation for the solution set. Then graph the solution set.x + 4 < - 
or x + 4 > 
A. (-?, - 
) ? (- 
, ?)
B. (-?, - 
) ? (- 
, ?)
C. (- 
, - 
)
D. (- 
, - 
)
Write the number in scientific notation.A mountain's peak is 21,700 feet above sea level.
A. 2.17 × 104 B. 2.17 × 10-5 C. 2.17 × 106 D. 2.17 × 105
Perform the division. Write the answer with positive exponents.
A. 24x10 + 7x2 - 7 + 
+ 
B. 3x3 + 7x2 - 7
C. 3x3 + 56x9 - 56x7 + 32x5 + 5x4
D. 3x3 + 7x2- 7 + 
+ 