Answer:
27 blue balls
Step-by-step explanation:
R : B = 6 : 9
9/6 x 18 = 27
The top part is -2(x-1). You have to factor out -2 from the expression. I don't know the second part, Sorry!
Answer: 12.6 m
Step-by-step explanation:
Use the pythagorean theorem, we get that the height, or x, is
sqrt(22x22-18x18) = sqrt(484-324) = sqrt(160) = 4sqrt(10) = 12.6 m
15+15+15=45 Hope this helps.
