Dante wrote several equations and determined that only one of the equations has infinitely many solutions. which of these equations has infinitely many solutions? a.6(x+3)+x=7x+2+1 b.6(x+3)+x=7x+5 c.6(x+3)+x=6x+3+15 d.6(x+3)+x=7x+9+9

Pelle's sister is three years older than pelle the father is 5 times as old as pelle the mother was 28 when the sister was born altogether they are 98 years old how old is pelle?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?