How to solve for x: 2x+y=3 and x+y=9

They are charging adults $25 and children $10 per ticket. If 200 tickets are sold for a total of $3,200, how many adult tickets were sold and children's tickets were sold

369=12 (n-4.25) When solving this equation for n, what is the first step? A - add 4.25 to both sides of the equal sigh B-subtract 12 from both sides of the equal sign C - multiply both sides by 12 D - divide both sides by 12

For the equation 7x+3y-5=0, find the missing coordinate or the ordered pair so that it is a solution (?,4)

Find the smallest positive integer which have the same number of positive factors as 2015?

X - 8 = 3x sovle for x

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.