book Maths Puzzle Numerical Ability

A bag contains 4 red marbles, 9 blue marbles, and 2 green marbles. What is the probability that a randomly selected marble is blue?

Read Solution (Total 0)

book Other Question

My question says to simplify the radicals.

4 square root of 3+2 square root of 12

Could you help me? thanks!
Determine the equation fo each line. Write the answer in standard form using only intergers as the coefficients.
The Line through (-2,0) iwth slope -3/4.
I tried.
Y=mx+b
Y=-3/4+-2/0
?