How do I simplify x^2*y^-3*y

Mary bought 3 34 m of lace. She used 1 16 m of lace for her new dress. How much lace is left with her?

If f (x) = x+9 what is f (#) ?

Chocolate bars that normally cost 80 cents each were sold for 40 cents each during a sale. What is the percent decrease in price during the sale? O A) 25% OB) 30% OC) 45% OD 50%

What is 5 5/8 plus 6 1/4 equal?

Ali caught a fish that weighted 9 and 1/2 lb. Lisa caught a fish that weighed 5 and 1 / 3 lb. How much more did ali fish weight.

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.