Solve this equation by substitution x-y=5 x+3y=9

Task 6-Polynomial Identities Pick a two-digit number greater than 25. Rewrite your two-digit number as a difference of two numbers. Show how to use the identity (x - y) 2 = x2 - 2xy + y2 to square your number without using a calculator.

Determine the intercepts of the line. 4x-1=3y+5

Elizabeth has a piece of ribbon that is 4.5 meters long she wants to cut it into pieces that Are 0.25 meters long how many pieces of ribbon will she have

The difference of the square of a number and 28 is equal to 3 times that number. Find the negative solution

Kent earns $49,000 a year and has to pay $45 in taxes for every $1,000. How much taxes does he pay in one year? A. $2,049 B. $2,000 C. $2 205 D. $1,000

Convert 20 oz of egg noodles. You need 5 oz to make one serving of chicken noodle soup. How many servings can you make?

What's the vertex for y=2x^2-12x+19

What is the decimal of 1/2 percent

The equation above can be used to calculate the volume V, of a pyramid with a height h and base with length l and width w. If the volume of a pyramid is 81inches^3, and l=w=3h, what is the length of the base of the pyramid in inches?

What is the relationship between the decimals 0.09 and 0.9