Translate the question into an equation. Do not solve.What percent of 70 is 89?
A. x = 70 ? 89
B. 70% = 89 ? x
C. x ? 70 = 89
D. 70% ? x = 89
Answer: C
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Simplify. Assume all variables represent positive real numbers.
A. 8x8
B. 8x4
C. 8
D. 8x4
Write the phrase as a variable expression. Use x to represent "a number."5 more than 6 times a number
A. 11x B. 6x + 5 C. 5x + 6 D. 6(5 + x)
Solve the problem.If an object is dropped from a tower, then the velocity, V (in feet per second), of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Find V as a linear function of t, and use this function to evaluate V(7.9), the velocity of the object at time 
A. V(7.9) = 264.1 ft per sec B. V(7.9) = 260.8 ft per sec C. V(7.9) = 262.1 ft per sec D. V(7.9) = 262.8 ft per sec
Solve the problem.In one U.S. town the annual consumption, b, of beef (in kg per person) can be estimated by b = -
t + 23, where t is the number of years since 1975. Graph the equation and use the graph to estimate the beef consumption in the year 1993.
A. About 11 kg per person B. About 29 kg per person C. About 17 kg per person D. About 14 kg per person