What is the substitution of - 6x-8y=-20

ABC company's stock dropped from 25 3/8 to 22 1/4 during a one month period of time ... How much did ABC's stock fall during this period of time? A. 3 1/8 B. 3 1/4 C. 4 1/4 D. 47 5/8

Last week Bill made a purchase of $56.78 before tax. This week, the same items on sale would have cost him $41.90 before tax. If the tax is 4%, how much could Bill have saved by buying the items on sale (including tax) ?

What is the value in 4s in 14,423

Assume that an int variable x that has already been declared, and initialized to a non-negative value. write an expression whose value is the last (rightmost) digit of x.

A clothing factory uses 1,275.2 meters of clothes a week to make shirts. how much cloth is needed to make 3 3/5 times many shirts?

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.