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 11 minutes, how long must she wait before opening the kiln? Round your answer to
the nearest whole minute.
A. 84 min
B. 62 min
C. 178 min
D. 126 min
Answer: A
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Solve. Remember to insert units when writing your answer.In November, 10 tons 1,392 lb of coal were delivered to a steel mill. In December, 6 tons 1,592 lb were delivered. Find the total amount of coal delivered in these two months.
A. 16 tons 984 lb B. 3 tons 1,800 lb C. 4 tons 1,800 lb D. 17 tons 984 lb
Complete numerical representations for the functions f and g are given. Evaluate the expression, if possible.(f?f)(1)
A. Undefined B. 15 C. 0 D. 7
Solve the problem.The intelligence quotient in psychology is given by Q(m, c) = 100 ? 
, where m is a person's mental age, and c is his or her chronological , or actual, age. Find Q(16, 12) and round the answer to the nearest whole number.
A. 100 B. 75 C. 13 D. 133
Use estimation to determine which calculation is incorrect.
A. 
B. 
C. 
D. 