Find the product.(y + 0.8)2
A. y2 + 0.64y + 0.64
B. 2y + 1.6
C. y2 + 1.6y + 0.64
D. y2 + 0.64
Answer: C
Mathematics
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Evaluate the expression with the given replacement values.6x2 when x = 3
A. 324 B. 108 C. 36 D. 54
Mathematics
Shade the solution set in the xy-plane.y ? 3x - x2
A. 
B. 
C. 
D. 
Mathematics
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.-w2 + 14w - 48
A. (-w + 8)(w + 6) B. -(w - 8)(w - 6) C. -(w + 8)(w + 6) D. Prime
Mathematics
Solve the problem.If a rock falls from a height of 80 meters on Earth, the height H (in meters) after x seconds is approximately H(x) = 80 - 4.9x2.When does the rock strike the ground? Round to the nearest hundredth, if necessary.
A. 16.33 sec B. 3.33 sec C. 4.04 sec D. 1.83 sec
Mathematics