Which is greater? 7/8 or - 8/9? explain

Astudent says that if 5x^2=20 then x must be equal to 2. Do you agree or disagree with the student? Justify your answer

3x-2<4 what is the solution set for this equality?

2x + 5y=7 2x+5y=8 y=6x y=x

A number is divided by 2. Next 20 is subtracted from that number, then the number is tripled. Finally, the number is reduced by 25. The result is 11. What is the number?

Which question can be represented by the equation 4 : 2/7=?

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.