algebraic expressions could be easy or hard
how difficult are u talkin
Answer:
89
Step-by-step explanation:
number has to fall in between eighty eight and ninety
[Note that you don't have to evaluate k to solve the problem]

That means that

So, you want
such that


Answer:
39in.
Step-by-step explanation:
due to scale, cant be 15, as that would be the same length as other side
cant be 91 otherwise it wouldnt be similar if it had the same length as blue triangle which has 39 not 15 as the top side
3x - 2 = x + 10
So, 2x = 12 and x = 6