Solve. Write a mixed numeral for the answer.Brian was training to run a marathon. During the three-day period before the race he decided that he would train for a total of 11 hours. If he trained for 1
hours on the first day and 3
hours on the second day, how many hours would he need to train on the third day?
A. 6
hr
B. 6
hr
C. 6
hr
D. 7
hr
Answer: C
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Solve.How many bricks are needed to build a wall that is 
feet wide and 10 feet high if each brick is 8 inches wide and 3 inches tall? Assume the bricks are laid so the longer side is horizontal and the size of the brick includes mortar.
What will be an ideal response?
Let a and b be positive numbers. Determine whether the statement is true or false.(-a)(-a)(-a) is a negative number.
A. True B. False
Solve the problem.A paint mixture contains 15 gallons of base for every gallon of color. In 640 gallons of paint, how many gallons of color are there?
A. 600 gallons B. 213 gallons C. 40 gallons D. 320 gallons
Find the domain of the function.f(x) = x2 + 6
A. {x|x ? -6} B. {x|x ? -6} C. all real numbers D. {x|x > -6}