Name the property that justifies the statement. All variables represent real numbers.r ? 
= 1
A. Commutative property of multiplication
B. Associative property of multiplication
C. Inverse property of multiplication
D. Identity property of multiplication
Answer: C
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Solve the problem.A law firm has twelve male and eight female lawyers. A committee of five, two male lawyers and three female lawyers, is to be chosen to represent the firm at a conference. How many committees are possible?
A. 44,352 B. 3,139,555 C. 4696 D. 3696
Find the quotient q and a remainder r when a is divided by b, and write the result in the form a = bq + r of the division algorithm for the given choices of a and b.a = 287,581, b = 441
A. 287,581 = (441)(49) B. 287,581 = (441)(652) + 49 C. 287,581 = (441)(652) D. 287,581 = (441)(652) + 37
Solve.A card is drawn from a well-shuffled deck of 52 cards. What is the probability of getting a red 7?
A. 
B. 
C. 
D. 
Express the exercise as a system of linear equations, then find the solution. Use a calculator where appropriate.Two angles are complementary. Twice one angle plus the other is 130°. Find the measure of each angle.
A. 45°, 45° B. 40°, 50° C. 40°, 140° D. 44°, 42°