If two events a and b are mutually exclusive, what does the special rule of addition state? p (a or

b. = p (a) + p (b) p (a and

b. = p (a) + p (b) p (a and/or

b. = p (a) + p (b) p (a or

b. = p (a) - p (b)

A brownie recipe asks for one and one half times as much sugar as chocolate chips. If two and one half cups of sugar is used, what quantity of chocolate chips would then be needed, according to the recipe?

What is the probability that a person chosen at random from the cafeteria is a girl or a teacher?

Which of the following pairs of polnts are on the same horizontal line? (-2,-2) and (2, 2) (-2,-2) and (2,-2) (2,-2) and (2, 2) • (-2, 2) and (-2,-2)

Steve is making breakfast. The recipes call for 7/8 cup of milk for grits and 3/4 cups. for biscuits he only has 2 cups of milk. Does he have enough to make his breakfast? Explain

C=59 (f-32) solve for f

Using the exponential regression model, which is the best prediction of the wavelength of the key that is 8 above the A above middle C? 49.31 cm 49.44 cm 49.73 cm 49.78 cm

What single percentage change is equivalent to a 15% decrease followed by a 16% decrease?

Use substitution to solve the linear system of equations. x = 4 -y = 1/2x (4, - 2) (-2, 4) (4, 2) (2, - 4)

What is (24-6) + 19:2

Now 3 equivalent ratios to 5 over 2 and 4 over 7