Why the expressionY+y+y and3y are equivalent

Pair of shoes cost three times as much as a scarf. The total cost of one pair shoes and one scarf is $32. If S represents the cost of one scarf, which equation could use to find the cost of one scarf?

5x (x+6) = - 50 i need to find the xs by completing the square

An electric can opener is worth 38 dollars when it is new. After each year it is worth half what it was the previous year. What will it's worth be after 4 years?

What is the solution to 4x-3y=10

The beacon on a cell phone tower blinks every 5 seconds and the beacon on the water tower blinks every 8 seconds. the lights blink together. how many seconds will pass before the two lights blink together again

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.