Rewrite x-5y=-15 using function notation.

If a 40 foot tree casts a 12 foot shadow, find the shadow cast by a 26 foot tree

Seth sold 20% of his baseball cards during week one. During week two, he bought 20% more cards than he had after week one. If he now has 10 fewer cards, how many cards did he have originally? (he had more than 100 cards originally.)

If x is the height of a block, how high is a stack of 20 blocks?

When multiplie discount are used if an item is first discount by 40%, then again by 30%. then again by 10%, the final or cumulative discount is___off the original price.

Factor by grouping 5x^2 - 40x + 3x + 24

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.