Solve the proportion.
= 
A. {1}
B. {20}
C. ?
D. {120}
Answer: B
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Find the square root.
A. Not a real number B. 8 C. 32 D. 9
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - 
, ? < ? < 
Find cos 
.
A. 
B. 
C. - 
D. - 
Solve the problem.A triangular piece of glass is being cut so that the height of the triangle is 4 inches shorter than twice the base. If the area of the triangle is 24 square inches, how long is the height of the triangle?
A. 6 in. B. 12 in. C. 10 in. D. 8 in.
Fill in the digits for the given place values in the following whole number.19,769ten-thousands 
hundreds 
A. ten-thousands: 1, hundreds 7 B. ten-thousands: 6, hundreds 7 C. ten-thousands: 9, hundreds 9 D. ten-thousands: 1, hundreds 9