Add or subtract terms whenever possible.
- 5
+ 2
A. -3
B. -6
C. -3
D. -6
Answer: D
Mathematics
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Solve the system using matrices.6x + 2y = 09x - 9z = -18 4y - 3z = 4
A. 
B. 
C. 
D. 
Mathematics
Complete.4
ft = 
in.
A. 
B. 46
C. 54
D. 
Mathematics
Solve the problem.A coin is tossed upward from a balcony 228 ft high with an initial velocity of 32 ft/sec. During what interval of time will the coin be at a height of at least 100 ft? (h = -16t2 + v0t + h0.)
A. 4 ? t ? 8 B. 3 ? t ? 4 C. 0 ? t ? 1 D. 0 ? t ? 4
Mathematics
Write the ratio in lowest terms in order to decide whether the proportion is true or false.
= 
A. True B. False
Mathematics