Solve the given equation.

3+ √ 9x + 4 = 18

221/9

Step-by-step explanation:

3+ sqrt( 9x + 4) = 18

Subtract 2 from each side

3-3+ sqrt( 9x + 4) = 18-3

sqrt( 9x + 4) = 15

Square each side

(sqrt(9x+4))^2 = 15^2

9x+4 = 225

Subtract 4 from each side

9x = 225-4

9x = 221

Divide by 9

x = 221/9

the ratio of white tiles to blue tiles is 48: 16. the ratio in it's simplest form is 3: 1.

step-by-step explanation:

ratio: take the first number and add a colon next to it, then add the second number after that. make sure the ratio order matches up with the written problem!

simplest form: we can simplify the ratio 48 : 16 by dividing both terms by the greatest common factor (gcf).

the gcf of 48 and 16 is 16.

divide both terms by 16:

48 ÷ 16 = 3

16 ÷ 16 = 1

reducing to simplest form:

48 : 16 = 3 : 1