Solve the equation. Express radicals in simplest form.x2 +16x + 62 = 0
A. 1 + 
, 1 - 
B. -8 + 
, -8 - 
C. 8 + 
, 8 - 
D. -1 + 
, -1 - 
Answer: B
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Solve the problem. Round your answer to the nearest tenth.A person is pulling a freight cart with a force of 44 pounds. How much work is done in moving the cart 60 feet if the cart's handle makes an angle of 19° with the ground?
A. 2496.2 ft-lb B. 859.5 ft-lb C. 2561.6 ft-lb D. 85.9 ft-lb
Find the specified quantity.Find the period of y = -5 cos 
.
A. 5?
B. 
C. 8?
D. 4?
Perform the indicated operation. Simplify the result if possible.8 yd 2 ft × 5
A. 43 yd 2 ft B. 11 yd 2 ft C. 43 yd 1 ft D. 49 yd 1 ft
The following table shows the median age of automobiles and trucks on the road for a certain country. Use linear regression to find the linear equation that is the best fit for the data, with x equal to the number of years past 1980. Round your coefficients to two decimal places, if necessary.
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