Solve the system of two equations 2y=8 and 15y=2x-4

An employment agency requires applicants average at least 70% on a battery of four job skills tests. If an applicant scored 70%, 79%, and 89% on the first three exams, what must he score on the fourth test to maintain a 70% or better average?

What is a common denominator of 20 and 50

I have a piece a ribbon that is 1/4 yard long I need to share with 3 people how much ribbon does each person get

6th grade math pun and im stugling

3-5 (x+4) = 8 (2x-3) how to solve this equation

When a photo is reduced or enlarged its length to width radio usually remains the same. Aurelia wants to enlarge a 4-inch by 6-inch photo so that it has a wider of 15 inches. Use a ratio table to determine the new length of the photo.

An architect is designing a building on a triangular plot of land. If the base of the triangle is 100.8 feet and the height is 96.3 feet, find the available floor area of the building. Show all of your work

Data obtained from a nominal scale: A. must be alphabetic B. can be either numeric or nonnumeric C. must be numeric D. must rank order the data

A teacher has a 2-gallon (32-cup) container of juice. She gives each student 3 cup of juice. Which equation represents the amount of juice that remains, y, after x students are served?

24/30 = 20/x what is the value of x