Answer: 48r2-3
Step-by-step explanation:
I got that before
Answer:
Work shown below!
Step-by-step explanation:
Number 12a:
Number 12b:
Answer:
60.96cm
Step-by-step explanation:
Longest is 6x^2+8
half of that is 3x^2+4
perimiter=sum of sides
so
6x^2+8+12x-3+3x^2+4=
9x^2+12+9
450/3 = x.
150 = x.
So x = 150.
This means 45 is 30% of 150