Solve the problem. Use 3.14 for ?.A pie-shaped (triangular) lake-front lot has a perimeter of 2400 feet. One side is 400 feet longer than the shortest side, while the third side is 500 feet longer than the shortest side. Find the lengths of all three sides.
A. 100 ft, 200 ft, 300 ft
B. 600 ft, 1000 ft, 1100 ft
C. 600 ft, 600 ft, 600 ft
D. 500 ft, 900 ft, 1000 ft
Answer: D
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Find an equation y = mx + b that models the quantity y after x units of time.A quantity y is initially 10 and decreases at a rate of 21 per day.
A. y = -10x - 21 B. y = -21x - 10 C. y = -10x + 21 D. y = -21x + 10
Solve the problem.A car travels 400 miles on level terrain in the same amount of time it travels 160 miles on mountainous terrain. If the rate of the car is 30 miles per hour less in the mountains than on level ground, find its rate in the mountains.
A. 80 mph B. 20 mph C. 40 mph D. 50 mph
Find the product.(7k + 1)3
A. 343k3 + 294k2 + 21k + 1 B. 343k3 + 1 C. 343k3 + 98k2 + 14k + 1 D. 343k3 + 147k2 + 21k + 1
Fill in the blanks.602 = 
so 
= 60.
A. 3600, 60 B. 3600, 3600 C. 60, 60 D. 60, 3600