Simplify.13 - (-9)2
A. 68
B. 31
C. -68
D. 94
Answer: C
Mathematics
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Solve the formula for the given variable.E = hv
for n
A. n = 
B. n = hv
C. n = 
D. n = 
- 
Mathematics
Divide. If a repeating decimal is obtained, use notation such as 0.
, 0.
, or 0.
.
A. 0.
B. 0.5
C. 0.53
D. 0.
Mathematics
Solve the problem.The length of a rectangular storage room is 7 feet longer than its width. If the area of the room is 98 square feet, find its dimensions.
A. w = 6 ft, l = 13 ft B. w = 6 ft, l = 15 ft C. w = 7 ft, l = 14 ft D. w = 8 ft, l = 15 ft
Mathematics
Draw a tree diagram for the experiment. Then use the diagram to find the number of possible outcomes.Choose a number (1, 2, 3 or 4) and then toss a coin.
A. 8 outcomes B. 2 outcomes C. 1 outcome D. 6 outcomes
Mathematics