There are 22 books total on the shelf and 9 of them are biographical books so the probability is 9/22
Surface area = 2(6*3) + 2(6*2) + 2*(2*3) = 36+24+12 = 72 cm^2
Answer:
(11, 11)
Step-by-step explanation:
Solve by substitution:
1. set the equations equal to each other
2. simplify
3. substitute the value of x into an equation
I don’t know sorry please somebody else can help you