12y+d=-19y+t solve for y?

Simplify the expression. 7 (x+y) - 7x

5 (x-10) = 275 justify each step

Solve x+4y=15 and 5x-2y=9

A theater had 4,650 seats. If the theater sells all the tickets for each of its 5 shows, about how many tickets will the theater sell?

5. Does the frequency distribution given appear to be normal? Years of service Frequency 1-5. 5 6-10 20 11-15. 25 16-20. 18 21-25. 5 26-30. 1 Yes, there is not symmetry. Control Yes, the frequencies are roughly symmetrical around the maximum.

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.