Solve the problem.Jim has gotten scores of 62 and 91 on his first two tests. What score must he get on his third test to keep an average of 80 or better?
A. at least 77
B. at least 76.5
C. at least 87
D. at least 85
Answer: C
Mathematics
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Evaluate the expression.(-4)-2
A. -16
B. 
C. 
D. 16
Mathematics
Subtract.3 - 3x3 + 4x4 + 9x2 from 4x2 + 8x4 + 7 + 8x3
A. 12x4 + 5x3 + 13x2 + 10 B. 12x4 + 5x3 + 13x2 + 4 C. 4x4 + 11x3 - 5x2 + 4 D. 4x4 + 5x3 + 13x2 + 10
Mathematics
Divide using synthetic division.(-5x3 - 7x2 + 9x + 6) ÷ (x + 2)
A. 5x2 - 2x + 3
B. 
x2 + 
x + 
C. -5x + 3
D. -5x2 + 3x + 3
Mathematics
Form the matrix associated with the given minimization problem and find its transpose.
?
Minimize 
subject to
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics