Evaluate the expression using the given values.
+ 
; x = 4, y = -1, z = 5.
A. 9
B. -8
C. -9
D. 8
Answer: A
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Translate to a proportion and solve. 36% of what is 72?
A. 50 B. 200 C. 0.5 D. 2000
Part of $8,000 is invested at 12%, another part at 14%, and the remainder at 16% yearly interest. The total yearly income from the three investments is $1,170. The sum of the amounts invested at 12% and 14% equals the amount invested at 16%. How much is invested at each rate?
A. $1,500 at 12%, $2,500 at 14%, and $4,000 at 16% B. $2,000 at 12%, $2,000 at 14%, and $3,500 at 16% C. $2,000 at 12%, $2,000 at 14%, and $4,000 at 16% D. $2,000 at 12%, $2,500 at 14%, and $3,500 at 16% E. $1,000 at 12%, $3,000 at 14%, and $3,500 at 16%
Find two numbers that have the product of 14 and the sum of 9.
A) 1 and 7 B) 1 and 6 C) 2 and 9 D) 2 and 6 E) 2 and 7
Convert the radian measure to degree measure. Use the value of ? found on a calculator and round answers to two decimal places.
A. 
B. 36?°
C. 36°
D. 0.628°