Which of these geometric figures can intersect to form a cross section? Check all that apply.
A) a line and a prism
B) a line and a rectangle
C) a point and a prism
D) a prism and a horizontal plane
E) a vertical plane and a pyramid

Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.