Solve the problem.A vehicle parked on the street that is 4 feet tall casts a shadow 16 feet long. At the same time, a house nearby casts a shadow 64 feet long. Find the height of the house.
A. 16 ft
B. 18 ft
C. 20 ft
D. 8 ft
Answer: A
Mathematics
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Draw the angle having the given radian measure.135° 
A. 
B. 
Mathematics
Multiply.(x4 + 4)(x4 - 4)
A. x8 + 8x4 - 16 B. x8 + 16 C. x8 - 16 D. x8 - 8x4 - 16
Mathematics
Solve using Cramer's Rule.The sum of a student's three scores is 230. If the first is 22 points more than the second, and the sum of the first two is 14 more than twice the third, what was the first score?
A. 90 B. 50 C. 72 D. 68
Mathematics
Solve the problem.If you are 18 years old, deposit $3000 each year into a traditional IRA for 47 years at 5% interest compounded annually, and retire at age 65, how much money will be in the account upon retirement?
Fill in the blank(s) with the appropriate word(s).
Mathematics