Solve the linear equation.
+ 
= - 
A. 
B. 
C. 
D. 
Answer: D
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Decide whether the statement is true or false.If a(n) right angle is broken up into two new angles, these two new angles are also right angles.
A. True B. False
Find the appropriate linear cost or revenue function.An electrician charges a fee of $45 plus $30 per hour. Let C(x) be the cost in dollars of using the electrician for x hours. Find the linear cost function.
A. C(x) = 45x + 30 B. C(x) = 30x - 45 C. C(x) = 30x + 45 D. C(x) = 45x - 30
Suppose a certain amount of money is deposited into an account paying 4% annual interest, compounded quarterly (i.e., four times a year). For each positive integer n, let Sn = the amount on deposit at the end of the nth quarter, and let S0 be the initial amount deposited.
(a) Find a recurrence relation for S0, S1, S2, . . ., assuming no additional deposits or withdrawals for a 3-year period. (b) If S0 = $5000, find the amount of money on deposit at the end of three years. (c) Find the APR for the account.
Find the eccentricity of the ellipse or hyperbola.4x2 + y2 = 36
A. 
B. 
C. 
D. 