Solve the equation.0.8x - 0.4(80 + x) = -0.2(80)
A. {50}
B. {20}
C. {30}
D. {40}
Answer: D
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Estimate the answer from the table or graph.A retail store has items such that they fall under the categories of clothes, housewares, jewelry, and other. The percentage floor space allocated for displaying each category of items is shown in the pie chart. If the floor space allocated to clothes is 22,000 ft2, what is the floor space allocated to jewelry?
A. 66,000 ft2 B. 11,000 ft2 C. 44,000 ft2 D. 5500 ft2
Estimate the answer by rounding as indicated.Estimate by rounding to the nearest hundred.
A. 2800 B. 2750 C. 2752 D. 2700
Simplify the rational expression. If the rational expression cannot be simplified, so state.
A. x - y
B. cannot be simplified
C. 
D. x - 2y + 1
Find the first term and the common difference for the arithmetic sequence. Round approximations to the nearest hundredth.S5 = - 15, a5 = -7
A. a1 = 29, d = -2.8 B. a1 = 1, d = -2 C. a1 = 1, d = -2.8 D. a1 = 29, d = -2