I Forgot how to do substitution and elimination

im in Algerbra 1

Lana has 18 pencils, 24 erasers and 36 crayons that she wants to put evenly into her pencil boxes. If she put the same number of each type of item in her pencil boxes, what is the most number of pencil boxes will she fit

Lauren's first cell phone bill of $72.75 included an activation fee of $36 and a charge of $0.25 for each minute used. The situation is represented by the equation below, where x equals the number of minutes used. 0.25x+36=72.

Why did the scientist create an exact duplicate of himself

Cara and her brother take a numbered spinner from a board game and use it to determine who will get to play with their new puppy first. Cara spins, and then her brother does. Are these two events dependent or independent?

What is the approximate value of x in the equation below log3/4 25 = 3x-1

A Dog Sled Driver Added More Gear To The Sled Doubling Its Weight This Felt Too Heavy So The Driver Removed 20 Pounds To Reach The Final Weight Of 180 Pounds Write And Solve An Equation To Find The Sleds Original Weight Describe How You Could Find

How do you write 120% as a decimal and as a fraction

Find the derivative of the function. y = √ (11x + √ (11x + (√11x)))

Carmen spent $88 at the mall the money she spent was 25% of the total amount she had in her wallet

Which of the following situations can be modeled with a periodic function? A) the height of a football after it has been thrown B) the height of a person riding on an escalator C) the height of a building after it has been constructed D) the height