What is probability of randomly selecting a marble and getting black or red? a bag contains 5 black marbles, 10 red marbles, and 20 blue marbles?

For any linear equation ax+by=c, what are the intercepts in terms of a, b, and c?

A plane ticket cost b dollars for an adult ticket and k dollars for a child. Find an expression that represents the total cost for 9 adults and 3 children.

The length of the top of a table is 4m greater than the width. The area is 96m^2. Find the dimensions of the table.

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

Which number produces a rational number when added to 1/5

Lisler Ellen has a total of 18 apples on her apple tree. She wants to give each of her neighbors 3 apples. Which equation can be written to determine the number of neighbors, X, that Ellen can give apples to? 1 18-x = 3 2 18 x 3 = x 3.

Howdy! (づ｡◕‿‿◕｡) づ Abe took a total of 15 quizzes over the course of 3 weeks. How many weeks of school will Abe have to attend this quarter before he will have taken a total of 35 quizzes? Solve using unit rates.

Suppose the population of a town is 2,700 and is growing 4% each year. a. Write an equation to model the population growth. b. Predict the population after 12 years.

Use a graph to determine the number of solutions of the system. $y=2x+1$ $y=2x+5$

F (x) = 1/4 x for x = - 5