Which of the following equations has infinite solution?
a. 1/5x+10 =2(1/10x+20)
b. 1/4x -2= -1/2(4 -1/2x)
c. 1/3x + 12 =5(1/3x +12)
d. 1/2x - 6= - 1/5(30 -10x)
been stuck on this for a while can someone

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z