Which of the following relations is not a function?

A. (-7, 4), (2, 3), (-1, 1), (7, 2)

B. (7, 4), (-1, 2), (2, 1), (-7, 2)

C. (2, 4), (-1, 2), (2, 1), (-7, 2)

D. (-1, 4), (2, 2), (7, 1), (-7, 5)

What is the value of the expression 7-3? - 21 - 1/343 1/343

2x + 5y = 17 and 6x - 5y = - 9 what is the solution of the system use elimination

Use the ratio table to solve the percent problem. What is 20% of 90?

How do you get 10times 5

A rancher wants to fence an area of 1,500 square yards in a rectangular field that borders a straight river, and then divide it in half with a fence perpendicular to the river. he needs no fence along the river.

A circular flower bed is 24 m in diameter and has a circular sidewalk around it that is 4 m wide. Find the area of the sidewalk in square meters

An amount of $49,000is borrowed for 13 years at 7.25% interest, compounded annually. If the loan is paid in full at the end of that period, how much must be paid back? Use the calculator provided and round your answer to the nearest dollar.

Is the gcf of two even numbers always even?

What is x=1-4y in slope - intercept form

Cory is making a poster of common geometric shapes. He draws a square with a side of length 4 3 cm, an equilateral triangle with a height of cm, a circle with a circumference of 8π cm, a rectangle with length cm, and a parallelogram with base 3.