Indicate the property that justifies the statement.n(-7) = -7n
A. Associative property of multiplication
B. Distributive property
C. Commutative property of addition
D. Commutative property of multiplication
Answer: D
Mathematics
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Factor the expression completely.pV + 
- pb - 
(gas laws)
A. 
(V - 
)
B. 
(V - b)
C. 
(V + b)
D. Cannot be factored.
Mathematics
Factor completely. If the polynomial is prime, state this.20(x - 1)2 + 21y(x - 1) - 5y2
A. (x - 1)(4y + 5)(5y - 1) B. (4x - 4 + 5y)(5x - 5 - y) C. (4x + 5y)(5x - y) D. (4x - 4 - 5y)(5x - 5 + y)
Mathematics
Find an equation of a line satisfying the given conditions.Vertical, passing through (8, 7)
A. x = 8 B. x = 7 C. y = 7 D. y = 8
Mathematics
Find the root. Assume that all variables represent non-negative real numbers. If the root is not a real number, so state.
A. x15
B. x10
C. x27
D. 
Mathematics