Luis made an error when he used the distributive property to write an equivalent expression. Which sentence describes the error?

35x−15(5⋅7)−(5⋅3)5(7−3)5(4)20

the sum of the lengths of any two sides of a triangle is greater than the length of the third side. if you take the three sides of a triangle and add them in pairs, the sum is greater than (not equal to) the third side. if that is not true, then it is not possible to construct a triangle with the given side lengths.

step-by-step explanation:

x equals 1

step-by-step explanation:

f(4)=f(×)

x=1

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.