Multiply. Assume that no radicands were formed by raising negative numbers to even powers.(3 + 
)(3 - 
)
A. 22
B. -4
C. 3 - 2
D. -10
Answer: B
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Solve the problem.Sandy manages a ceramics shop and uses a 
kiln to fire ceramic greenware. After turning off her kiln, she must wait until its temperature gauge reaches 
before opening it and removing the ceramic pieces. If room temperature is 
and the gauge reads 
in 10 minutes, how long must she wait before opening the kiln? Assume the kiln
cools according to Newton's Law of Cooling: U = T + (Uo - T)ekt.(Round your answer to the nearest whole minute.) A. -236 minutes B. 77 minutes C. 166 minutes D. -356 minutes
Solve the equation.y2 = 25y
A. {-5, 5} B. {0, 25} C. {25} D. {0, 5}
Find the difference.14 - 
A. 14
B. 13
C. 13
D. 11
Solve the problem.Ken and Kara are 27 miles apart on a calm lake paddling toward each other. Ken paddles at 4 miles per hour, while Kara paddles at 7 miles per hour. How long will it take them to meet?
A. 9 hr
B. 2
hr
C. 16 hr
D. 1
hr