3a+2ab-6a+2b-ab and all the steps

Anna has volunteered 9 more hours than tricia. write an algebraic espression with the statement

Last year the daily high temperatures in northern Washington for the first week of January were - 8°,-5°,-4°,0°,8°,7°,-5° Fahrenheit. what was the average daily high temperature for that week?

Suppose you take a survey of all the schools in your state. What would you expect the relationship between the number of students and the number of teachers in each school to be?

Solve the inequality 9 (x - 3) < 4 (x + 10). x < 13/5 x > 13/5 x < 67/5 x > 67/5

What is 1 mile equal to feet?

Which of the following numbers is a prime number? A. 18 B. 27 C. 34 D. 47

Sam chose a number. He then multiplied his number by 2 and added 7. His result was 23. What was his original number?

How many solutions does the equation - 4y + 4y + 2 = 2 have?

Solve for x. x/r-8 + 1/8 = x+1/8-r •x = - r/16 •x = r/16 •x = r/8

What is the common diffrence of the following arithmetic sequence 13, - 7, - 27, - 47 ...