Write and solve an equation to answer the question. Round percent to the nearest thousandth, if necessary.Alex and Juana went on a 40-mile canoe trip with their class. On the first day they traveled 20 miles. What percent of the total distance did they canoe?
A. 2%
B. 200%
C. 50%
D. 0.5%
Answer: C
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Write the rate as a unit rate.$8910 earned in 9 weeks
A. $990.00/week B. $495.00/week C. $0.001/week D. $891.00/week
Evaluate the expression.8P4
A. 1680 B. 2 C. 4 D. 70
Solve the triangle, if possible. Approximate values to the nearest tenth when appropriate.a = 2.6, ? = 24.8°, ? = 90°
A. ? = 65.2°, b = 0.1, c = 2.6 B. ? = 65.2°, b = 2.8, c = 3.8 C. ? = 65.2°, b = 2.8, c = 2.9 D. ? = 65.2°, b = 1.2, c = 2.9
Solve the problem.Wildlife management personnel use predator-prey equations to model the populations of certain predators and their prey in the wild. Suppose the population M of a predator after t months is given by M = 750 + 125 sin 
twhile the population N of its primary prey is given by N = 12,250 + 3050 cos 
tFind the period for each of these functions.
Fill in the blank(s) with the appropriate word(s).