Provide an appropriate response.A proportion equates two ratios. True or false?
A. True
B. False
Answer: A
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Solve the problem.At the end of 9 mo, the balance of an account earning annual simple interest is $8180. If at the end of 15 mo the balance is $8300, what is the annual interest rate?
A. 4% B. 3.5% C. 3% D. 2%
Solve the problem.Jon has 649 points in his math class. He must have 66% of the 1100 points possible by the end of the term to receive credit for the class. How many additional points he must earn by the end of the term to receive credit for the class?
A. at most 451 points B. exactly 428 points C. at least 77 points D. at least 726 points
Graph the linear function by plotting the x- and y-intercepts.40x + 20y - 160 = 0
A. intercepts: (0, 8), (4, 0)
B. intercepts: (0, -8), (4, 0)
C. intercepts: (0, 8), (-4, 0)
D. intercepts: (0, -8), (-4, 0)
Solve the system of equations.
A. x = z - 2, and y = -3z - 5, where z is any real number or {(x, y, z) |x = z - 2, and y = -3z - 5, where z is any real number} B. x = 3z + 5, and y = z - 2, where z is any real number or {(x, y, z) |x = 3z + 5, and y = z - 2, where z is any real number} C. x = -3z - 5, and y = z + 2, where z is any real number or {(x, y, z) |x = -3z - 5, and y = z + 2, where z is any real number} D. inconsistent