Find the equation of the circle.
A. (x + 9)2 + (y + 7)2 = 25
B. (x + 9)2 + (y - 7)2 = 25
C. (x - 9)2 + (y + 7)2 = 25
D. (x - 9)2 + (y - 7)2 = 25
Answer: C
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Part of $3,800 is invested at 12%, another part at 13%, and the remainder at 14%. The total yearly income from the three investments is $506. The sum of the amounts invested at 12% and 13% equals the amount invested at 14%. Determine how much is invested at each rate.
A. $1,100 at 12%, $800 at 13%, $1,900 at 14% B. $700 at 12%, $1,200 at 13%, $1,900 at 14% C. $700 at 12%, $1,900 at 13%, $1,200 at 14% D. $600 at 12%, $1,300 at 13%, $1,900 at 14% E. $800 at 12%, $1,300 at 13%, $1,700 at 14%
Divide using synthetic division.(x5 - 3x4 - 8x3 + x2 - x + 18) ÷ (x + 2)
A. x4 - 5x3 + 2x2 - 4x - 6 + 
B. x4 - 5x3 + 2x2 - 4x + 5 + 
C. x4 - 5x3 + 2x2 - 3x + 5 + 
D. x4 - 5x3 + 2x2 - 3x - 5 + 
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Three coins are tossed, and the number of heads is noted.
A. 
B. 
C. 
D. 
Solve the problem.If cos ? = 
, ? in quadrant IV, find the exact value of tan
A. 
B. 
C. 
D. 