Translate to an algebraic expression using the variable, x.Seventy-nine less than two times a number
A. 79x - 2
B. 2x - 79
C. 2 - 79x
D. 79 - 2x
Answer: B
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Solve the problem. Round to the nearest tenth of a percent unless otherwise noted. All 35 of the students in a mathematics class attended class on Monday. On Tuesday only 29 students attended. What was the percent decrease?
A. 82.9% B. 79.3% C. 17.1% D. 20.7%
Use point plotting to graph the plane curve described by the given parametric equations.x = 2t - 1, y = t2 + 3; -4 ? t ? 4
A. 
B. 
C. 
D. 
Convert as indicated. Express the answer in decimal form when needed.94 kilometers per hour to miles per hour (Round to the nearest thousandth.)
A. 151.246 mi/hr B. 141.846 mi/hr C. 58.280 mi/hr D. 67.774 mi/hr
Use the fundamental counting principle to count the number of outcomes. How many different 4-letter radio-station call letters can be made if the first letter must be K or W, letters may be repeated, and the call letters cannot end in an O?
A. 35,152 B. 16,900 C. 33,800 D. 456,976