Given the system of equations:

12x+4y=60

3x+y=15

Use the substitution method to solve the system of equations. Is there a unique solution, no solution, or infinitely many solutions? You must show your work for full credit.

Which of the following triangles are right triangles? Check all that apply A triangle with side lengths 4, 5, 6 A triangle with side lengths 6 inches, 8 inches, 10 inches A triangle with side lengths 8, 15, 17 A triangle with side lengths 5, 12, 13

Which of the following is a quantitative continuous variable? a. Where a family goes on vacation b. Distance a family travels on vacation c. Number of vacations a family takes per year d.

Directions: Drag each expression to the correct location on the table. Identify each expression as either equivalent to or not equivalent to 18w + 30z. 2 (9w + 6z) + 9 (2z) 2 (9z + 9w) + 12w (12w + 20z) + (4w + 10z) + 2z 6 (5z + 3w)

In ΔSTU, the measure of ∠U=90°, SU = 33, TS = 65, and UT = 56. What is the value of the tangent of ∠S to the nearest hundredth?

How to solve 5x+2y = 39

A science teacher has a supply of 20% saline solution and a supply of 50% saline solution. How much of each solution should the teacher mix together to get 60 ML of 28% saline solution for an experiment

There goes my hopes for Virtuoso rank ... What are the zeros of the function y = x2 + 10x - 171, and why?

Which is greatest ... 63 of 100, 60% of 80, 3/5 of 85,

John can eat 10 hot dogs in 4 mins. At this rate, how many hot dogs can he eat in 18 mins?

wo positive integers are 3 units apart on a number line. Their product is 108. Which equation can be used to solve for m, the greater integer? m (m - 3) = 108 m (m + 3) = 108 (m + 3) (m - 3) = 108 (m - 12) (m - 9) = 108