Use set notation to identify the shaded region.
A. A - B
B. A ? 
C. B - 
D. B ? 
Answer: D
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Indicate whether the statement is true always, sometimes, or never.A complex number is an imaginary number.
A. Always B. Sometimes C. Never
Determine whether the sequence is arithmetic. If the sequence is arithmetic, determine the first term a and common difference d.2, -3, -8, -13, -18, . . .
A. Arithmetic; a = 2, d = -5 B. Not arithmetic
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.A company increased the number of its employees from 240 to 330. Find the percent increase.
A. 27.3% B. 37.5% C. 72.7% D. 57.9%
Simplify the expression by applying the distributive property.5(7s + 5)
A. 35s + 25 B. 35s + 5 C. 175s D. 7s + 25