Find the product.(x + 9y)(x - 9y)
A. x2 - 18y2
B. x2 + 18xy - 81y2
C. x2 - 81y2
D. x2 - 18xy - 81y2
Answer: C
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Answer yes or no.Is 13 a solution to the equation 18 - x = 5?
A. Yes B. No
Write a system of equations and use the inverse of the coefficient matrix to solve the system.A company makes 3 types of cable. Cable A requires 3 black, 3 white, and 2 red wires. Cable B requires 1 black, 2 white, and 1 red wires. Cable C requires 2 black, 1 white, and 2 red wires. They used 100 black, 110 white and 90 red wires. How many of each cable were made?
A. 10 cable A 103 cable B 20 cable C B. 10 cable A 30 cable B 93 cable C C. 10 cable A 30 cable B 20 cable C D. 20 cable A 93 cable B 10 cable C
Subtract.5.522 - (-0.38)
A. 6.002 B. 5.142 C. 2.098 D. 5.902
Find the asymptotes of the hyperbola.4x2 - y2 = 36
A. y = 4x and y = -4x
B. y = 
x and y = - 
x
C. y = 2x and y = -2x
D. y = 
x and y = - 
x