what is equivalent to 3x+3y=8 and

2x-y=5

2. 23 + b = 30. Substitute 10 for b.

When Peyton left her house this morning, her cell phone was 70% charged and it then started to lose 5% charge for each hour thereafter.

Collins Middle School has 192 sixth grade students. If the sixth grade is 30% of the total school, how many students are in the middle school?

1,000 after 6 years at an interest rate of 3.5% is $ round up to the nearest center

Write a ratio of 2 and 12

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.