A bag with 8 marbles is shown below. 4 gray 3 black 1 white A marble is chosen from the bag at random what is the probability. That it is gray or black? Write your answer as a fraction in simplest form

A coin is tossed 625 times and heads came up 275 times. what is the experimental probability of tossing tails

What is the difference? 1/6 - 5/8 a. - 19/24 b. - 11/24 c. 11/24 d. 2

The slope of a line is - 3. Find the slope of a line that is perpendicular to this line. A) - 3 B) - 1/3 C) 1/3

Which statement is correct? The range of the graph is all real numbers less than or equal to 0. The domain of the graph is all real numbers less than or equal to 0. O The domain and range of the graph are the same.

You ask 150 people about their pets. The results show that 9/25 of the people own a dog. Of the people who own a dog. 1/6 of them also own a cat. How many people own a dog but not a cat?

Use properties of rational numbers to simplify the expression. 2/5 + 7/15 + 1/5 a 1/2 b 2/3 c 1 1/15 d 4/5

Write 2.463 in expanded form and word form

The size, S, of a tumor (in cubic millimeters) is given by S=2^t, where t is the number of months since the tumor was discovered. Give units with your answers.

Write the equation: Amy made $75 for 5 hours. At the same rate, how much would she make for 7 hours of work?

What is the coefficient of q in the sum of (2q - 3) and (-1q - r) ?