Evaluate the exponential expression.-72
A. 49
B. -49
Answer: B
Mathematics
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Use the even-odd properties to find the exact value of the expression. Do not use a calculator.sin (-30°)
A. - 
B. - 
C. 
D. 
Mathematics
Solve the problem.The temperature, t, in degrees Fahrenheit, of water 
65 + 
m where m is the number of minutes since heating began. How long will it take for the temperature of the water to reach 70 degrees Fahrenheit?
A. 17 min B. 40 min C. 14 min D. 20 min
Mathematics
Solve for the unknown number.3542 ÷ 154 = x
A. 23 B. 3696 C. 21 D. 545,468
Mathematics
Simplify.
A. 18
B. 7
C. 6
D. 3
Mathematics