Solve systems of equations algebraically

solve each system of equations algebraically.

1. y=x+2

y=-3x

2. y=-x

y=-7x

3. y=x-6

y=2x

4. y=x-4

y=2x

5. y=x+20

y=6x

An acrobat is on a platform that is 25 feet in the air. She jumps down in the initial velocity of 4 feet/seconds. Write the quadratic function to represent the height h of the acrobat t seconds after the jump.

The original price of a ski jacket was $270. It was on sale at a 25% discount. Arianna had a coupon for an additional 10% off of the sale price. What price did Arianna pay for the ski jacket?

Write a real-world problem that could be solved using a proportion.

Is 0.2 a counting numbers

2. If one angle of a parallelogram is 70°, find the degrees in the remaining 3 angles.

Kia purchased 3 pounds of grapes and spent $11.63 on other items. She spent a total of $20. She used the following steps to find the cost of each pound of grapes. When Kia subtracts 11.63 from both sides, what does the difference represent?

A line passes through the origin and has a slope of - 3/2. Through which quadrants does the line pass?

How do I make an algebraic formula for a number that's increasing by 74%? Starting number: 93.13, I need a formula to go up by 74% 100 times.

The next number in the sequence - 5,-2,4,13 is 25. Is this conjecture ruse or false? A. False B. Not enough info provided. C. True

Consider the system of linear equations. 5 x + 10 y = 15. 10 x + 3 y = 13 To use the linear combination method and addition to eliminate the x-terms, by which number should the first equation be multiplied? - 2 Negative one-half One-half 2