Which two expressions are equivalent? A- 4 + (3 x y) and (4 + 3) x y
B- (18 divided by y + 10 and 10 + (y divided by 18)
C- 12 - (y x 2) and 12 - (2 x y)
D- (10 - 6) divided by y and 10 - (6 divided by y)

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?