Find the opposite of the expression.2x2 + 9x - 5
A. -2x2 + 9x + 5
B. -2x2 - 9x + 5
C. -2x2 - 9x - 5
D. 2x2 - 9x + 5
Answer: B
Mathematics
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Solve the problem.A cheetah can run at a speed of approximately 71 miles per hour. Calculate this speed in feet per second. Round to the nearest whole number.
A. 115 ft./sec. B. 142 ft./sec. C. 96 ft./sec. D. 104 ft./sec.
Mathematics
Add and simplify. Write the answer as an improper fraction as needed.
+ 
A. 
B. 
C. 
D. 
Mathematics
Factor the trinomial, or state that the trinomial is prime.15x2 - 16x + 4
A. (5x - 2)(3x - 2) B. (15x + 2)(x + 2) C. (5x + 2)(3x + 2) D. prime
Mathematics
Evaluate: 
A. 
B. 26
C. 
D. 18
Mathematics