Find the product.(x + 3y)(4x + 10y)
A. x2 + 22xy + 22y2
B. 4x2 + 22xy + 22y2
C. x2 + 22xy + 30y2
D. 4x2 + 22xy + 30y2
Answer: D
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Solve.A yoga studio is being designed in the shape of a trapezoid. The lengths of the two parallel sides are 56 feet and 44 feet. The area of the studio is to be at least 1600 square feet and not more than 2000 square feet. What is the range of possible values for the width of the studio?[Hint: the area of a trapezoid is A = 
w(a + b) where a and b are the lengths of the two parallel sides.]
A. 17 ft ? w ? 35 ft B. 32 ft ? w ? 40 ft C. w ? 32 ft D. 64 ft ? w ? 80 ft
Solve.In a race, Car A starts 1 mile behind Car B. Car A is traveling at 65 miles per hour, while Car B is traveling at 50 miles per hour. How long will it take for Car A to overtake Car B?
A. 3
min
B. 4 min
C. 
min
D. 20 min
Solve the equation.-3a + 3 + 4a = 7 - 23
A. -19 B. -33 C. 33 D. 19
Solve the problem. Round your answer to three decimals.How long will it take for an investment to double in value if it earns 4.25% compounded continuously?
A. 17.715 yr B. 16.309 yr C. 25.85 yr D. 8.155 yr