Find the y intercept for 7x-y=21

What is the common denominator of 15,3,5,9

Given the proportion below, what ratio is equivalent to w/5? x/w = y/5 A: x/y B: y/x C: 5xy D: (y+5) / 5

The ordered pair (7, - 8) would be in which Quadrant?

What is the 30th term of the arithmetic series 4, 7, 10, ...? 88 89?

Three consecutive integers are such that when they are taken in increasing order and multiplyied be 2,3 and 4 respectively they add up to74. Find these numbers

Find the equation of the line that cuts the y axis at y=-9 and whose slope is 1/7.

Math is often used to determine the correct dosage for medications; create scale drawings; graph data from scientific investigations. Given this information, what conclusion can be made about mathematics? A.

A car is 200 km from its destination after 1 hour and 80 km from its destination after 3 hours.

Consider the equation x-3=5. a. Multiply both sides of the equation by a constant, and show that the solution set did not change. Now, multiply both sides by x. b. Show that x=8 is still a solution to the new equation.

A gardener uses a tray of 6 conical pots to plant seeds. each conical pot has a radius of 3 centimeters and a depth of 8 centimeters. about how many cubic centimeters of soil are needed to plant the full tray? round to the nearest cubic centimeter.