Perform the indicated operations and simplify.
+ 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Multiply mentally.(-9 + 5x)(9 + 5x)
A. 25x2 + 90x - 81 B. 25x2 - 90x - 81 C. x2 - 81 D. 25x2 - 81
Mathematics
Find the x-intercept of the graph of the equation 
.
?
A. (0, -6) B. (0, 6) C. (6, 0) D. (-6, 0) E. (0, -18)
Mathematics
Solve the following quadratic equation using the Square Root Property. Make sure you simplify the final answer completely. Find the exact answer and a decimal approximation to the nearest tenth when possible.x2 = 121
A. x = 12 or x = -12 B. x = 60.5 C. x = 11 or x = -11 D. x = 11
Mathematics
Differentiate the function.
What will be an ideal response?
Mathematics