Factor completely.x2 + 9x + 20
A. prime
B. (x - 4)(x + 1)
C. (x - 4)(x + 5)
D. (x + 4)(x + 5)
Answer: D
Mathematics
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Factor out the GCF from the polynomial. If the GCF is 1, write prime.5x5 - 30x3
A. 5x3(x2 - 6) B. x5(5x2 - 30) C. 5x4(x - 6x) D. 5(x5 - 6x3)
Mathematics
Use a graph to estimate the solution.A long-distance carrier charges
for one month's service. Additionally, the company charges 
per minute of calling. Estimate how many long-distance minutes someone could use in one month for a total cost of 
.
A. 162 B. 181 C. 5 D. 200
Mathematics
Solve the equation.7x - 6x = 19
A. - 
B. 19
C. -19
D. 0
Mathematics
Convert the rectangular equation to polar form.x = 2
A. r = 
B. r = 
C. r = 2
D. cos ? = 2
Mathematics