Graph the polar equation.r = 5 cos2 ? sin ?
A. 
B. 
C. 
D. 
Answer: B
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Solve the equation. Make sure you check your final solution(s).
- 
= 1
A. x = - 
B. x = 0
C. x = - 
D. x = - 16
In the energy demand problem above, the demand vectors could be represented in a 2 row matrix, where row 1 contains the energy demands of the consumers and row 2 contains the energy demands of the energy industries:D = 
The researcher then changes the original demand matrix using the matrix equation D2 = A + 0.2D, where A = 
. Use the matrix operations on a graphing calculator to calculate the new demand matrix in his model.
What will be an ideal response?
Complete the square for the binomial. Then factor the resulting perfect square trinomial.x2 + 6x
A. 9; x2 + 6x + 9 = (x + 3)2 B. 6; x2 + 6x + 6 = (x + 36)2 C. 36; x2 + 6x + 36 = (x + 6)2 D. 3; x2 + 6x + 3 = (x + 9)2
Find the future value of the annuity due. Assume that interest is compounded annually, unless otherwise indicated.Payments of $500 made at the beginning of each year for 12 years at 6% compounded annually
A. $8941.07 B. $16,268.30 C. $6985.82 D. $7934.97