19 - (-13-7) + (6-8)

Write your answer in the form a+bi

any Loranger 8.25 Commission on everything she sells at the air compressor transtur she works she also earns a base salary of $70 per week how much did she earn last week if she sold $4,000 in electronics merchandiser intermediate calculations and

A scientist is observing a sample of a radioactive substance. The table below shows the amount of the radioactive substance remaining, in milligrams, with respect to time, in hours, since the scientist began observing the sample.

31 1/4 as a fraction show work

The ratio of the number of boys to the number of girls at school is 4:5. what fraction of the students are boys?

Which number is greater? explain -√2 or - 2

What is 147/90 as a whole number

Find the roots of the polynomial equation. x2 + 2x - 48 = 0

Round 40.82 to the nearest hundreth

9 9/10 + 6 7/10 add and reduce to lowest terms

What is the domain of the function { (1, 1), (0, 0), (2, - 1) }