Translate into an equation, then solve.A weatherman reports that since 6:00 am this morning the temperature has dropped by 
to the current temperature of 
What was the temperature at 6:00 am ?
A. x - 11 = 60; x = 49°F
B. x + 11 = 60; x = 71°F
C. x - 11 = 60; x = 71°F
D. x + 11 = 60; x = 49°F
Answer: C
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Multiply.(3 - 2
)2
A. 17 + 12
B. 9 - 4
C. 17 - 12
D. 9 + 4
Solve the problem.By walking src="https://sciemce.com/media/4/ppg__tttt0623191144__f1q50g6.jpg" alt="" style="vertical-align: -4.0px;" />
A. 2 hr
B. 1 hr
C. 3 hr
D. 5 hr
for one period of time and 
for another, Kevin traveled 
Had he walked 
faster throughout, he would have 
miles. How many hours did he walk at
Use the two-stage method to solve.Find x1 ? 0, x2 ? 0, x3 ? 0 such that x1 + 2x2 + x3 ? 40 2x1 + x2 + x3 ? 26and z = 4x1 + x2 + 2x3 is maximized.
A. x2 = 20, x1 = 0, x3 = 0, z = 20 B. x3 = 40, x1 = 0, x2 = 0, z = 80 C. x1 = 30, x3 = 15, x2 = 0, z = 135 D. x1 = 40, x2 = 0, x3 = 0, z = 160
Provide an appropriate response.Is 
a rational or irrational number?
A. Irrational B. Rational C. Both rational and irrational D. Neither