How to combine like terms in the expression

What is the solution to this equation? 5x + 9 - 3x = 18 + 15

Name 3 geometric solids which have circular cross-sections

Convert 0.875 inch to a fraction in simplest form. Click to select the correct answer.

200 band students at Mcnair are going on a field trip. Out of all the band students, 140 students are percussion. What percent of the band students are in percussion?

What are the solution (s) to the quadratic equation 40 - x2 = 0?

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.