Identify the degree of each term and the degree of the polynomial.8x - 8x2 + 3 - 8x3
A. 8, -8, 3, -8; 8
B. 1, 2, 0, 3; 3
C. 3, 2, 1, 0; 3
D. 1, -2, 0, -3; 1
Answer: B
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Find v ? u.v = 
and u = 
A. 
i - 
j
B. 
C. 0
D. 
i
Solve the problem.A nail 8
inches long is driven into a board 1
inches thick. How much of the nail protrudes from the other side of the board?
A. 9
inch(es)
B. 1
inch(es)
C. 6
inch(es)
D. 
inch(es)
Solve the problem.To the nearest dollar, the average tuition at a public four-year college was 
the year Jane enrolled there and 
when her sister began college 2 years later. Find, to the nearest dollar per year, the rate at which tuition was increasing.
A. $118 per year B. $124 per year C. $107 per year D. $128 per year
Use a graphing calculator to solve the system of equations. Round your solutions to one decimal place.1.6x - 0.1y - 3.9z = 1.74.6x - 7.0y - 1.6z = -5.04.4x - 4.5y - 4.4z = -4.1
A. (-22.3, -11.8, -9.3) B. (-89.3, -47.3, -37.2) C. (-178.6, -94.6, -74.3) D. (-44.6, -23.7, -18.6)