The last answer option was 30x+475y=0

99 points at a zoo, the leopard pen has a ring-shaped sidewalk around it. the outer edge of the sidewalk is a circle with a radius of 12 m. the inner edge of the sidewalk is a circle with a radius of 8 m. (1 point for showing all of your work) a. write and simplify an expression for the exact area of the sidewalk. (1 point for the answer) b. find the approximate area of the sidewalk. use 3.14 to approximate π. (1 point for the answer)

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs