there are 40 marbles in a bag. 20 marbles are red, 14 marbles are green, and 6 yellow. what percentage of the marbles are yellow?

Identify a possible first step using the elimination method to solve the system and then find the solution to the system. 3x - 5y = - 2 & 2x + y = 3 A) Multiply first equation by - 3 and second equation by 2, solution (1, 1).

The scale drawing measures 15 cm by 20 cm what are the dimensions of the room

How do I solve x=y+8 and 5x+3y=12in substitution form

Ryan is making pancakes for the drama clubs pancake breakfast. the table below shows the amounts of pancake mix and milk needed to make enough pancakes to feed a different amount of guests.

If you raise 9 to the 387th power, what is the units digit of the result

28 to 23 is what percent decrease?

A waiter in a restaurant places two rectangular dining tables side by side as shown in the figure. What is the perimeter of the top surface formed by joining the two tables? A. 38.5 feet B. 49 feet C. 42 feet D. 35 feet

Two numbers differ by 30. If 15 is added to the smaller, the result exceeds half the larger number by 7 1/2. What are the numbers

Is the graph of 6x2 - 2y = 7 a line? Explain.

Factors of 48 that add to equal 26