Find the area of the geometric figure.
A. 56 sq km
B. 176 sq km
C. 100 sq km
D. 72 sq km
Answer: D
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Solve the problem.A company makes three chocolate candies: cherry, almond, and raisin. Matrix A gives the amount of ingredients in one batch. Matrix B gives the costs of ingredients from suppliers R and S. Multiply the matrices. 
A = 
B = 
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A. R S
AB = 
B. R S
AB = 
C. R S
AB = 
D. R S
AB = 
List all numbers from the set that are of the type indicated.
Integers
A. 16
B. 16, -15
C. 0, -15, 2
D. 16, 
Two parallel lines l and m are cut by transversal t. For a pair of interior angles on one side of line t, the angle-bisectors are drawn to meet at point E. Find m
.
A. 45° B. 60° C. 75° D. 90°
Solve the problem.Suppose that y = 
can be used to calculate the number of years y for x percent of a population of 
sparrows to die. Approximate the percentage (to the nearest whole per cent) of 
sparrows that died after 
A. 97% B. 95% C. 93% D. 100%