In a high school graduating class of 128 students, 52 are on the honor roll. Of these, 45 are going on to college; of the other 76 students, 53 are going on to college. A student is selected at random from the class. What is the probability that the person chosen is going to college.
?
A. 
B. 
C. 
D. 
E. 
Answer: A
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Identify the base and the exponent for the exponential expression.-515
A. Base is 15; exponent is 5. B. Base is 15; exponent is -5. C. Base is -5; exponent is 15. D. Base is 5; exponent is 15.
Solve the system by the elimination method or a combination of the elimination and substitution methods.5x2 - 3y2 = -33x2 + 2y2 = 59
A. {(-3, -4), (-4, -3)} B. {(3, -4), (3, 4)} C. {(3, 4), (4, 3), (-3, -4), (-4, -3)} D. {(3, 4), (-3, 4), (3, -4), (-3, -4)}
One or more zeros of the polynomial are given. Find all remaining zeros.P(x) = x4 - 5x2 - 36; -2i is a zero
A. 2i, 3i, -3i B. 2i, 6i, -6i C. 2i, 6, -6 D. 2i, 3, -3
Solve the system of equations using Cramer's Rule if it is applicable. If Cramer's Rule is not applicable, say so.
A. not applicable
B. x = 2, y = - 
; 
C. x = 8, y = 32; (8, 32)
D. x = 3, y = 4; (3, 4)