Solve.Jill is 22 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 3 kilometers per hour. They meet in 4 hours. How fast is Joe walking?
A. 3 kilometers per hour
B. 3.5 kilometers per hour
C. 4.5 kilometers per hour
D. 2.5 kilometers per hour
Answer: D
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Solve the problem.The following table shows the team payroll (in millions of dollars) of several major league baseball teams along with their winning percentages for the 1999 season. 
Find the equation of the line of best fit for the team payroll and the winning percentage.
A. y = 0.361x + 0.00223 B. y = 312.05x - 98.08 C. y = 0.00211x + 0.431 D. y = 0.000979x + 0.402
Write a formula for the nth term of the arithmetic sequence. Do not use a recursion formula.1, -1, -3, -5, -7, . . .
A. an = -5 - 2n B. an = -2n - 3 C. an = 2n - 3 D. an = -2n + 3
Minimize the objective function 3x + 2y subject to the following constraints. Solve graphically.
What will be an ideal response?
Find the indicated term using the given information.a = 7, d = -1; a45
A. -37 B. 52 C. -38 D. 51