The answer to this is (3, 2).
Answer:
10/18
Step-by-step explanation:
hope it helps
10 books because the ratio is 2:5 and you have 4:x so x=10 ((:
Answer:
the last one bottom right
Step-by-step explanation:
well, did it in my head, but the idea is to calculate it out
(x-8)*(x-8)=50
is just
x²-16x+64=50
to get the 64 down to just 5, we need to subtract 59, on both sides, leaving us with -9 on the righthand side
Multiply each side of the equation by 4/3 .