Why is it possible to have right equilateral triangles

A system of linear equations is shown below. 2x + 4y = 10 3x - y = 8 marla is attempting to prove that by replacing 2x + 4y = 10 with a different equation it will sometimes produce a new system of equations with the same solution.

Solve for b. d = 3a + 3b

In 10 weeks, the value of Bob Treatmans day trading account decreased by $500. What was the average weekly change in the value of the account expressed as a signed number? $48 per week $50 per week $-52per week $-56 per week

3x+6y=8 The equation in slope-intercept form is y=

The diagram represents a difference of squares. What are the factors of m2 - 6m + 6m - 36?

Find an upper limit for the zeros of 2 x4 - 7 x3 + 4 x2 + 7 x - 6 = 0

Donte bought a computer that was 20% off the regular price of $1.080. If an 8% sales tax was added to the cost of the computer. What was the total price of Donte paid it?

Evalue f (x) = (-2) ^2-3 (-2) + 5 / (-2) ^2+1

How many positive integers are there whose digits strictly increase from left to right?

Cristiano Ronaldo has a messy house. He hires a maid to clean his house for $125 per visit. Part A:Write a function to represent the total cost Cristiano spends having his house cleaned. Part B: Define the input and output in the given scenario.