Is square root of 36 plus 3 a rational or irrational number? Your

Rational because the square root of 36 is a whole number, and all whole numbers are rational

Rational because the square root of 36 equals 6, 6+3=9, and 9 is a terminating decimal

Irrational because there is a square root symbol in the expression

Irrational because adding a whole number with a square root is impossible

Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so,about which interval is it approximately symmetric?

Just tell me how to set up the equation.

What is the value of x when x + 7 = 21?