5. Multiply out the brackets in the following expressions: 9(2p +
3(x + 5) =
50+ 2) =
(3r+
4(
2-1) =
d(ze

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.

3you can not round up to four, as there was not a full payment for the fourth night, so uou would round down to 3