Perform the indicated operation.(-10)(-28)
A. -38
B. 290
C. 280
D. -280
Answer: C
Mathematics
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Graph the ellipse.(x - 2)2 + 
= 1
A. 
B. 
C. 
D. 
Mathematics
Simplify. Leave answer in exponential form with positive exponents only. Assume that all variables represent nonzero quantities.(4-1)-7
A. 
B. 
C. 48
D. 47
Mathematics
Factor completely using the trial and error method to factor trinomials. If unfactorable, indicate that the polynomial is prime.9x2 + 18x + 8
A. (3x + 4)(3x + 2) B. (3x - 4)(3x - 2) C. prime D. (9x + 4)(x + 2)
Mathematics
Solve the problem. Write the answer in scientific notation.A computer can do one calculation in 1.4 × 10-7 seconds. How long would it take the computer to do a trillion (1012) calculations? Round to one decimal place.
A. 1.4 × 10-7 sec B. 1.4 × 106 sec C. 1.4 × 1012 sec D. 1.4 × 105 sec
Mathematics