Use your estimation skills and the percent shortcuts to select the most reasonable answer. Do not write an equation and solve it.Find 50% of 660 basketballs.
A. 50 basketballs
B. 330 basketballs
C. 610 basketballs
D. 710 basketballs
Answer: B
Mathematics
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Divide.
A. 3x2 + 2x - 7 + 
B. 3x2 + 2x - 7 + 
C. 3x3 + 2x2 - 7x + 
D. 3x2 + 10x - 35 + 
Mathematics
Find the sum of the series, if possible.
A. Not possible, infinite B. -2460 C. 69 D. -732
Mathematics
Solve the system by the method of your choice. Identify systems with no solution and systems with infinitely many solutions, using set notation to express their solution sets.
+ 
= 1
- 
= 0
A. 
B. 
C. 
D. ?
Mathematics
Evaluate the expression for othe given values of the variables.3x for x = 4
A. 12 B. 4 C. 3 D. 7
Mathematics