Add and simplify.
+ 
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.In 2010 a certain county recovered 24% of its municipal wastes through recycling, up from 17% in 2005. Let P represent the percentage recycled and t the number of years since 2005. Find a linear function P that fits this data.
A. P(t) = 1.4t + 24 B. P(t) = 1.4t + 17 C. P(t) = -1.4t + 7 D. P(t) = 0.7t - 17
Solve the problem. Round to the nearest hundredth if necessary.Three people build a rectangular shed 8 ft wide, 6 ft long, and 7 ft high. How many ft3 does the shed contain?
A. 2688 ft3 B. 336 ft3 C. 146 ft3 D. 21 ft3
Factor by grouping.12(a + 6)2 + 10(a + 6) + 2
A. (4a + 26)(3a + 19) B. (4a + 25)(3a + 20) C. (4a + 2)(3a + 1) D. (4a + 8)(3a + 7)
Perform the indicated operation.4 lb 3 oz × 9
A. 13 lb 11 oz B. 37 lb 11 oz C. 36 lb 3 oz D. 36 lb 11 oz