Which property is used in the problem below? 2 (x + 4) = 2 x + 8

the associative property
the commutative property
the distributive property
the additive identity property

The hypotenuse of an isosceles right triangle is $14\sqrt 2$. what is the area of the triangle?

The triangles are similar. what is the value of x? enter your answer in the box. x = two right triangles. the larger right triangle is labeled x on the longer leg, 12 on the shorter leg and 20 on the hypotenuse. the smaller triangle is labeled 4 on the longer leg, 3 on the shorter leg, and 5 on the hypotenuse.

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?