There are 85 books, a librarian takes four and leaves the rest. Jerry can fit nine books on a shelf, how many shelves will he need?

The difference between the observed values of a variable and the long-run average of the observed values in repetitions of the measurement is (the) :

Identify the polynomial that is the difference of two squares. 25m2 - 16n 36m2 - 8n8 49m2 - 81n4 9m2 - 5n6

Ana mixes 2 quarts 1 pint of apple juice and 1 quart 3 cups of cranberry juice. Will her mixture be able to fit in a l gallon pitcher? Explain.

What are common symbols used on a scorecard?

What is the value of the missing exponent in the equation 556 divided by 10 + 55.6

Simplify: 1 3 (6ab - 9b) 2 3 (9ab 12b)

As a salesperson, Audrey earns $75 per week plus $5 per sale. This week, she wants her pay to be more than $125. Write an inequality for the number of Sales Audrey needs to make. (You do not have to solve here)

Luis says |7| and |-7| are the same number. Danny says |7| and |-7| are different numbers. Mai says |7| and |-7| both equal 0. Akiko says|7| and |-7| combine to make 0. Who is correct? A) Luis B) Mai C) Danny D) Akiko

How do I factor 8v2-8v-448=0?

Raise 4 to the 10th power then find the quotient of the result and h