Is 7/35 and 35/70 proportional?

Simplify 2 (x - 4) 7 (x 2).

Simplify (2x^2-3x+9) + (6x^2+x-1)

Gross income-$550 which was the net income if the deducations were $137 for payroll taxes and $48.25 for health insurance

While remodeling her kitchen Angela is repainting. She estimates that she paints 55 square feet every half-hour. How many square feet does Angela paint per hour?

Combine and simplify these radicals. square root of 8 times square root of 20

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.