A food blogger posted a total of 216 recipes in 36 weeks. Write and solve a proportion to find how many recipes she will upload
in 15 weeks.

Asegment in the complex plane has a midpoint at 7 – 2i. if the segment has an endpoint at 11 – 3i, what is the other endpoint?

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

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.