Work out the answers to:

a) 7 + (-4)

b) (-6) + (-3)

c) 2 - (-6)

d) (-8) - (-13)

If the diameter of a circle is 6 inches, how long is the arc subtended by an angle measuring 70°?

Which is bigger 5/8 or. 2/3

a person is equally likely to be born on any day of the week. what is the probability of being born on a tuesday?

A company's profits (P) are related to the number of items produced (x) by a linear equation. If profit rise by $1,000 for every 250 items produced, what is the slope of the graph of the equation?

What is the range of y=3^x

The temperature is changing every day by negative 7 over 18 degrees Fahrenheit. What will be the change in the temperature after 3 days?

The equation of the polynomial function is: f (x) = (x + (2 + i)) (x + (2 - i)) (x + 5) f (x) = (x - (2 + i)) (x - (2 - i)) (x - 5) f (x) = (x - (2 + i)) (x - (2 - i)) f (x) = (x + (2 + i)) (x - (2 - i)) (x - 5)

Andre owned a 1/4 acre lot. He wanted to construct a 120' x 80' tennis court on the lot. How many square feet will remain uncovered after he builds the tennis court?

Mary is paid 7.5% commission on all of her sales. She had sales of $2300 for the month of December. How much commission did Mary make?

What is the total weight in pounds of a 2.5 million blocks used to build the great pyramid and then convert that to ounces