Perform the indicated operation.-7 - [-20 + (20 - 11)]
A. -18
B. 4
C. 58
D. 22
Answer: B
Mathematics
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Solve the problem.
= 100 terms
A. -24,050 B. -973 C. -24,750 D. 24,750 E. none of these
Mathematics
Find the median. Round to the nearest tenth when necessary.The numbers of minutes Maria spent looking on the internet for gifts for her family during the last six days are as follows: 1, 14, 26, 22, 30, 46
A. 22 minutes B. 26 minutes C. 24 minutes D. 19.5 minutes
Mathematics
Decide whether or not the equation defines y as a function of x.y = 3x2 - 4x - 3
A. Yes B. No
Mathematics
Solve the problem.A rock falls from a tower that is 107.8 m high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground (h=0)?
A. 2400 s B. 10.1 s C. 4.7 s D. 10.4 s
Mathematics