Solve the equation.x2 - 81 = 80x
A. x = -9, 9
B. x = 1, -81
C. x = -1, 81
D. x = -9, -9
Answer: C
Mathematics
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Follow the order of operations to work the problem.6 + (16 - 25)
A. 3 B. 35 C. -3 D. 47
Mathematics
Suppose that a ball is rolling down a ramp. The distance traveled by the ball is given by the function s(t), where t is the time, in seconds, after the ball is released, and s(t) is measured in feet. For the given function, find the ball's average velocity from t1 to t2.s(t) = 10t2; t1 = 2 to t2 = 3
A. 100 ft/sec B. 50 ft/sec C. 90 ft/sec D. 5 ft/sec
Mathematics
Evaluate the partial sum of the first four terms of the sequence 
.
A. 44
B. 100
C. 
D. 
E. None of these
Mathematics
Solve the problem.A square box top measures 
in. on each side. Using the formula 
find the area of the box top.
A. 
in.2
B. 1600 in.2
C. 
in.2
D. 
in.2
Mathematics