Find the perimeter of (distance around) the given figure by adding the lengths of the sides.
A. 22.4 m
B. 11.2 m
C. 15.2 m
D. 18.4 m
Answer: A
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Solve the problem.Given that 
= 
,evaluate 
A. 
B. 
C. 
D. 
Solve for x using an equivalent exponential expression.The function f(x) = 300(0.5)x/50 models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. Find the amount of radioactive material in the vault after 
Round to the nearest whole number.
A. 131 pounds B. 180 pounds C. 168 pounds D. 125 pounds
Find the mean for the list of numbers.Cans of soup used by a family in a month: 1, 4, 9, 5, 14, 8Round answer to the nearest whole number if necessary.
A. 6 cans B. 5 cans C. 7 cans D. 9 cans
Solve the quadratic equation.3x2 + 16x = 12
A. 
B. 
C. 
D. 