Multiply.-10x7(3x + 7)
A. -30x8 - 70x7
B. -100x7
C. -30x - 70
D. -30x8 + 7
Answer: A
Mathematics
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Evaluate the integral.
A. - 
B. - 
C. 
D. 
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Solve the problem by using three variables.Michael's bank contains only nickels, dimes, and quarters. There are 48 coins in all, valued at $4.10. The number of nickels is 4 short of being three times the sum of the number of dimes and quarters together. How many dimes are in the bank?
A. 6 B. 7 C. 35 D. 11
Mathematics
Simplify the expression by combining like terms, if possible.Perform the indicated operation and simplify: 3t - [5 - 3{t - t(6 + t)}].
What will be an ideal response?
Mathematics
Decide whether the slope is positive, negative, zero, or undefined.
A. Undefined B. Positive C. Negative D. Zero
Mathematics