Solve by elimination.2x + 2y = 204x - 
y = 
A. (4, 6)
B. No solution
C. (-3, 6)
D. (3, 7)
Answer: D
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 0 B. -12 C. 1 D. -4
Mathematics
How many composite numbers are between -2 and 11 on the number line?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Fill in the blank with one of the words or phrases listed below. 
Use the facts below. 2 ? 3 = 6
4 + 17 = 21
20 - 9 = 11
The 11 above is called the 
.
A. minuend B. difference C. subtrahend D. quotient
Mathematics
Solve the problem.A coin is tossed upward from a balcony 136 ft high with an initial velocity of 16 ft/sec. During what interval of time will the coin be at a height of at least 40 ft? (h = -16t2 + vot + ho.)
A. 0 ? t ? 1 B. 2 ? t ? 3 C. 3 ? t ? 6 D. 0 ? t ? 3
Mathematics