What's the answer for is substitution

Y=-2

4x-3y=18

Which of the following equations is equavalent to 60 - 8x divided by 2

Melvin is making a large poster for the school carnival. he skeched his design on a 9 inch by 12 inch sheet of paper then he expanded his design by a scale of 3 what are the dimensions of the poster. What is the area of the poster

Anthony has 4 times as many crayons as Maria. Maria has 47 crayons. Darlene has 173 crayons. Who has more crayons, Anthony or Darlene?

An equality of two ratios is called a

How to solve c^2 - 4c = 21

A researcher is running a study to determine how employees of a certain company commute to work. In order to complete the study, the researcher selects a sample of 300 employees of this company and records their means of arrival on a specified day.

How can a decimal be converted into a percentage?

A car is traveling at 60 kilometers per hour. How many kilometers does the car cover in 7 hours?

Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms. x + 7 - 4x^3

Trapezoid: b1=3 m; b2 = 4m A = 7 m2 What is the missing dimension