Simplify the expression without a calculator.-4-3
A. 64
B. - 
C. -64
D. 
Answer: B
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Solve. Round any approximate solution to the fourth decimal place.23x - 1 = 32
A. 1 B. 3 C. 4 D. 2
Solve the problem.Wind speed varies in the first twenty meters above the ground. For a particular day, let 
model the wind speed 
above the ground. What is the wind speed 
above the ground? Round results to the nearest hundredth.
A. 10.58 meters per second B. -6.00 meters per second C. 11.00 meters per second D. 11.07 meters per second
Find the probability.What is the probability that a card drawn from a deck of 52 cards is not a heart?
A. 
B. 
C. 
D. 
Solve the problem.The sum of the squares of the digits of a positive two-digit number is 20, and the tens digit is 2 more than the units digit. Find the number.
A. 35 B. 42 C. 24 D. 53