X/21 = 3/63 solve the proportion

3m+4=1 with steps. THX

12/27 as a simplified fraction

What is the slope of the line whose equation is 2x-4y=102x-4y=10?

Mary made $126 for 7 hours of work At the same rate, how much would she make for 18 hours of work?

What is? 15x-6=25+150

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.