What property of math is a + (b+12) = (b+12) + a

30 cm 30 cm 26 cm find the area

3 chairs and a table cost 149 4 chairs and a table cost 177 how much does each item cost?

Brian irons 2/9 of a shirt in 3 3/5 minutes. How long will it take him to iron one shirt? At this rate, how long will it take to iron 5 shirts?

Find the second degree Taylor polynomial for f (x) = sqrt (x^2+8) at the number x=1

A teacher took a survey and found that 16 out of 25 students liked a certain snack item best make a prediction of how many students like to snack item best if there are 225 students a) 116 students b) 124 students c) 132 students d) 144 students

Find the missing height. The height of a street light is 54 feet. It casts a 40-foot shadow. At the same time, a man standing next to the street light casts a 5-foot shadow. How tall is the man? If needed, round the answer to the nearest hundredth.

Rearrange the equation so x is the independent variable. y + 6 = 5 (x-4) y =

Which of the following groups of scores has the least amount of variability? a) 100, 56, 101, 101, 68 b) 10, 8, 7,7, 10 c) 4, 7, 9,2,1,9 d) it is impossible to determine based on the scores provided

Is - n always, sometimes, or never a positive number. Explain

Scott wrote a financial algebra textbook for highschool students. He earned 17,500 up front when he submitted the job and he now receives a 7.5% Royalty based on the total sales of the book. The book retails for $51.95 each.