Calculate. Write answer in lowest terms. 
+ 
A. 
B. 
C. 1
D. 
Answer: C
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Find the cross product and determine whether the proportion is true or false.
= 
A. 60 = 60; true B. 120 = 120; true C. 30 ? 120; false D. 18 ? 200; false
Translate the problem situation to a system of equations. Do not solve.The difference between two numbers is 11. Three times the smaller number plus the larger number is 67. What are the numbers?
A. x - y = 11; x + 3z = 67 B. x - y = 11; 3x + y = 67 C. x - y = 11; x + 3y = 67 D. x + y = 11; x + 3y = 67
Solve.On a recent trip, Asha drove 220 miles on 16
gallons of gasoline. Calculate how many miles per gallon she gets in her vehicle.
A. 3547
mpg
B. 13
mpg
C. 440
mpg
D. 
mpg
Write the first five terms of the arithmetic sequence whose first term, a1, and common difference, d, are given.a1 = 12; d = -4
A. 12, 8, 3, 0, -4 B. 8, 4, 0, -4, -8 C. 16, 12, 8, 4, 0 D. 12, 8, 4, 0, -4