Solve the problem.A weather forecaster predicts that the temperature will drop 3 degrees each hour for the next 4 hours. If the temperature is 7 degrees before the temperature starts falling, what is the temperature after the drop?
A. -12°
B. -5°
C. 12°
D. 0°
Answer: B
Mathematics
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Solve the problem.Suppose that 
= 1. Find 
and 
.
A. 3; 1 B. 1; -1 C. 0; -1 D. 0; 1
Mathematics
Perform the indicated operation. Express your answer in simplest form.64
- 25
A. 
B. 39
C. 196
D. 
Mathematics
Perform the indicated operations to decide whether the statement is true or false.4 + 
= - 
+ 4
A. True B. False
Mathematics
Solve the equation using the quadratic formula.x2 + 5x + 2 = 0
A. 
B. 
C. 
D. 
Mathematics