Find the product.(2a)(6a2)
A. 12a3
B. 12a4
C. 8a3
D. 2a + 6a2
Answer: A
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Solve the problem.The ocean surface is at 0 ft elevation. A diver is underwater at an elevation of -150 ft near a rock formation. In this area, the ocean floor has an elevation of -136 ft. The rock formation rises to a peak 107 ft above the ocean floor. How many feet below the top of the rock formation is the diver?
A. 43 ft B. -14 ft C. 121 ft D. 29 ft
Determine the type of conic that is the graph of the equation.4x2 - 8x + 5y2 + 30y - 41 = 0
A. circle B. ellipse C. parabola D. not a conic
Solve the problem.If f(?) = cot ? and f(a) = -6, find the exact value of f(-a).
A. 
B. - 
C. 6
D. -6
Carl's Tractor Service purchases a used brush mower for $1445. The machine has a useful life of 5 years after which time another one will have to be purchased. Assume depreciation of the machine is linear. Write a linear equation giving the value V of the used brush mower during the 5 years it will be in use.
A. 
B. 
C. 
D. 
E. 
?