Students are given 3 minutes to complete each multiple choice questions on a test and 8 minutes for each free-response question. there are 15 question on the test and the students have been given 55 minutes to complete Which value could replace x in the table

7-m
23-m
8(15-m)
8(15)-m

You would plot 83 on the 83 line and you would plot -113 on the -113 line.

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.