Solve the equation.6(x + 4) = 8(x + 2.8)
A. 1.6
B. 3.2
C. 0.8
D. 23.2
Answer: C
Mathematics
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Sketch the surface z = f(x,y).f(x, y) = 2 -x2 - y2
A. 
B. 
C. 
D. 
Mathematics
Find the product.(2s + 3)(2s3 - 4s2 + 3s + 2)
A. 4s4 - 2s3 - 6s2 + 4s + 6 B. 4s4 - 20s3 - 6s2 + 13s + 6 C. 4s4 - 2s3 - 6s2 + 13s + 6 D. 4s4 - 2s3 + 15s2 + 13s + 6
Mathematics
Check the addition. If the answer is incorrect, find the correct answer.
14,281
A. Incorrect; should be 14,181 B. Incorrect; should be 14,041 C. Incorrect; should be 14,191 D. Correct
Mathematics
Determine the degree of the polynomial.2a6b3 - 6a4b4 + 7ab - 8
A. 8 B. 6 C. 2 D. 9
Mathematics