What is the simplified form of each expression?

1.7m^2 + 6.5n - 4n + 2.5m^2 - n

2.5m^2 + 7.8n - 3.2n + 5.3m^2 - 5.9n

If it rained 3 days out of 20 days what would the percentage be

Write the number 48900 in scientific notation

A CD makes 581/2 revolutions in 2/4 min. Complete the unit rate.

Does the following system have 1 solution, no solutions, or infinite solutions? y=2x+6 and y=8x+6 1 solution No Solution Infinite Solution

A lady walks into the store and steals $100 bill from the register without the owners knowledge she comes back in 5 minutes about $70 worth of groceries what the hundred-dollar bill the owner gives her $30 in change how much did the owner lose

What angle do the minute and hour hands of a clock make at 8:00

What is the least common multiple of 7 and 8

On a coordinate plane, a straight line with a negative slope, labeled f of x, crosses the y-axis at (0, 4), and the x-axis at (4, 0). Which is true regarding the graphed function f (x) ? f of 0 = 3 f of 5 = negative 1 f of 3 = 2 f of 2 = negative 2

Which of the following is a solution to: x2 + 8x=-12

What is the difference between direct and indirect distribution?