Evaluate the expression according to the order of operations.9 ? 
+ 3 ? 
A. 63
B. 48
C. 333
D. 11
Answer: A
Mathematics
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Multiply using the rules for special products.
A. 9r2 - s2 - 14s - 49 B. 9r2 - s2 - 7s - 49 C. 9r2 + s2 - 14s - 49 D. 9r2 - s2 - 15s - 49
Mathematics
Solve the problem.Bobby's subtotal at Scramble's Electronics is $18.98. The sales tax on these items is 
What was Bobby's total bill?
A. $19.72 B. $20.82 C. $20.72 D. $19.82
Mathematics
Find the r th term in the binomial expansion.
?
?
Please enter your answer as a fraction.
What will be an ideal response?
Mathematics
Show that f and g are inverses of each other by verifying that f(g(x)) = x = g(f(x)).
; 
What will be an ideal response?
Mathematics