12x1
12x2
12x3
12x4
12x5
12x6
12x7
12x8
12x9
12x10
Answer:
I could be mistaken but I believe that x= 42.5
Step-by-step explanation:
To find this, you solve for 4x+10=180.
This is because the total angle measure of line RD should be 180 degrees.
When you solve this equation, you get 42.5 for X
$50 each
(2 books + 1 book : $100 + $50 = $150)
Answer:
90
Step-by-step explanation:
Answer:
15
Step-by-step explanation: