What must be true in order for P (A or B) - P (A) + P (B) ?

a. A and B cannot be disjoint.

b. A and B must be independent.

c. A and B cannot be independent.

d. A and B must be disjoint.

e. It is always true.

The lines shown below are parallel. If the green line has a slope of -, what is the slope of the red line?

Find the percent equivalent of the ratio 64 to 80

In one lottery, a player wins the jackpot by matching all five numbers drawn from white balls (1 through 41) and matching the number on the gold ball (1 through 31).

Using the Pythagorean theroem find the length of leg of a right triangle if the other leg is 8 feet long and the hypotenuse is 10 feet long

Would 8ft. 24ft. and 33ft make a triangle?

Which expression is equivalent to the value 64? A) 34 B) 64 C) 6.4 x 102 D) 82

Construct the cumulative frequency distribution for the given data. Daily Low (degrees° F) Frequency 35-39 11 40-44 22 45-49 44 50-54 13 55-59 66 60-64 88 65-69 11 Construct the cumulative frequency distribution.

A convertible is traveling at 45 miles per hour, and its wheels have a diameter of 48 inches. How many complete revolutions do the wheels make in one minute?

Beth has a total of $6000 to invest, part at 6% simple interest and part at 8% simple interest. Her return for one year is $410. How much did she invest at each rate?

What advice would you give a friend who is sending someone mean messages?