A scuba diver starts her dive at an elevation of 0 feet. If her elevation changes by 40 1/2 feet per minute, what will be her elevation after 3 minutes?

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Extra points! find the missing dimension! need asap

If a revenue in total for a month was $9,950, fixed expenses were $9,000, and variable expenses were $300 what would be the total profit/ loss for the month?