Factor by grouping.10x2 + 25xy - 12xy - 30y2
A. (5x + 6y)(2x + 5y)
B. (5x - 6y)(2x + 5y)
C. (5x - 6)(2x + 5)
D. (10x - 6y)(x + 5y)
Answer: B
Mathematics
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Calculate using the rules for order of operations.30 - 3 + 
÷ 5 + (-1)3Round to two decimal places, if necessary.
A. 29.50 B. 9.25 C. 6.40 D. 28.00
Mathematics
Solve.4z - 2 = 3z - 20
A. -22 B. 18 C. 22 D. -18
Mathematics
Determine the area or volume as indicated. Use 3.14 for ? when necessary.
Find the area.
A. 1256.00 in.2 B. 62.80 in.2 C. 125.60 in.2 D. 314.00 in.2
Mathematics
Find the vertices of the hyperbola.
- 
= 1
A. (-4, 2) and (0, 2) B. (0, -2) and (4, -2) C. (-2, 8) and (-2, -4) D. (2, 4) and (2, -8)
Mathematics