Aright rectangular pyramid is sliced parallel to the base, as shown.
what is the area of the resulting two-dimensional cross-section?

15 cm²

18 cm²

25 cm²

50 cm²

The answer would be the first choice.  

Explanation: The reason for this is that the question was pretty much just asking what the area of the resulting two-dimensional cross section would be -the shape in gray- (which can be found by using the formula . To add on, since the dimensions of the shape are already given (5 and 3) all you've to do is multiply: 3*5=15

That's how you get to the answer.

hello :

70y^8 + 30y^6 = 2 ( 35 y^8 + 15y^6)

the lenght is : 35 y^8

the width is : 15y^6

560

hope this : )