Solve the problem.The range r of a projectile is given byr = 
v2 sin 2?,where v is the initial velocity and ? is the angle of elevation. If r is to be 
and 
what must the angle of elevation be? Give your answer in degrees to the nearest hundredth.
A. 89.83°
B. 0.34°
C. 0.24°
D. 0.17°
Answer: D
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Solve using matrices.-5x - y + 7z = 199x + 7z = 62 5y + z = 10
A. (-3, 1, 6) B. (3, 5, 1) C. (3, 1, 5) D. (1, 5, 3)
Divide. If the division is not possible, write "undefined."
A. 584 R8 B. 585 R2 C. 585 D. 585 R1
Answer the question.A trucker handed in a ticket at a toll booth showing that in 2 hours he had covered 224 miles on a toll road with speed limit 65 mph. The trucker was cited for speeding. Why?
What will be an ideal response?
Solve the problem.When you were born, your uncle put $1000 into a bank account for you. According to the terms of the account, your investment grows in a manner represented by the following graph.
Which variable is the independent variable? Which variable is the dependent variable? If you are 18 years old, how much money is in the account?
A. Dollars; years; $2,000 B. Time; amount; $2,000 C. Dollars; years; $1,900 D. Time; amount; $2,100