Question 7
3x+9)
123
this is an isosceles triangle. find x.
c
18
12

6(2x+y)+2(x+4y) how can i solve this

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9