Which of the following cannot be classified as a substance a. table salt b. air c. nitrogen d. gold

In an algebraic expression, what separates the terms?

A square patio has an area of 200 square feet how long is each of the patio to the nearest tenth?

What's x to the fourth times x squared

A cellphone rental business borrows $1500 to expand the business to a neighborhood town. The owner has to make equal monthly payments for one year of $150 each. What is the total loan repayment amount?

If 5^3b-1=5^b-3 what is the value of b?

Is it possible for the area of a figure to change after it is translated?

The larger of two number is 12 more than smaller number. If the sum of the two numbers is 74, find the two numbers

How can you explain x - 0.30x = 8.96?

Website W receives orders for its products every day. What is the Standard Deviation of the number of orders that Website W received daily for the past 5 days?

line 1 passes through (2,0) and (4,5). line 2 passes through (0,-2) and (2,3). Are the lines parallel or perpendicular