Simplify the expression by combining like terms.-2(10r + 7) + 5(7r + 8)
A. 15r + 26
B. -34r
C. 8r + 5
D. 15r + 7
Answer: A
Mathematics
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Find the slope of the line through the points.(10, 1) and (13, -12)
A. - 
B. - 
C. - 
D. 
Mathematics
Add or subtract horizontally.(2n5 + 4n3 + 3) + (5n5 + 2n3 + 6)
A. 7 + 6n5 + 9n3 B. 8n5 + 4n3 + 10 C. 7n5 + 6n3 + 9 D. 22n8
Mathematics
Find the slope of the line.x = 4
A. 4 B. -4 C. 0 D. Undefined
Mathematics
Factor the expression. Express your answer so that only positive exponents occur. 14x2/7 - 9x-4/7
A. x-4/7(14x6/7 - 9x) B. x2/7(14x6/7 - 9x2/3) C. x1/3(14 - 9x2/3) D. x-4/7(14x6/7 - 9)
Mathematics