Algebra 1, Find the solutions to the following systems of equations:

-The sum of two numbers is 84. Their difference is 20. Write a system of equations that describes this situation. Find the two numbers.

Chris used base ten blocks to model 2,781. He used 278 tens blocks. How many ones blocks did Chris use?

How can you use a ratio table to identify patterns and find equivalent Ratios?

When the sum of 8 and twice a positive number is subtracted from the square of the? number, 0 results. Find the number.

2) Julie is saving for a car. She's putting $125 aside each month for a down payment. If she needs at least $2000 for the down payment, which inequality represents the number of months it will take Julie to reach her goal?

Which figure appears to have one 1 line of symmetry

If 2x + 3z = 12, and z = - 2, then x=6 true or false

X-squared minus 6 equals zero

12 is 1/5 of what number?

An astronaut requires 2.3 lb of oxygen per day while in space. How many pounds of oxygen are needed for a team of 4 astronauts for 7 days in space?

Crystal and Victor are comparing the estimated calories burned in a calorie-counting software to the actual calories burned during exercise. Use the drop-down menus to complete the statements about the software's accuracy.