There are a total of 108 bikes. if the ratio of blue bikes to black bikes is 4 to 5, how many of the bikes are blue

State the commutative property of addition using the variables a and b.

The sum of two numbers is 41 and the difference is 9. what are the numbers?

It takes Emily 9 minutes to bicycle 3/10 of the way to school. How many minutes does it take Emily to bicycle all the way to school?

This applet illustrates 95% confidence intervals for samples from a normal distribution with known variance.

The ratio of boys and girls at the beach cleanup was 7:8. If there are 42 boys, how many girls are there?

The values of x and y vary directly and when x=14 y=21. Write an equation to represent the direct variation

What is the first step in solving the inequality m-2/6 less than - 1 A-multiply both sides by 6 B-add 2 to both sides C - change the direction of the inequality D - change it to less than or equal to

18x + 15 - y = 0 5y = 90x + 12 Step By Step and I'll mark you brainliest

The product of 4 and a number plus the product of 3 and the same number is 35. What is the number

A swimming pool has 500 gallons of water in it and is leaking. the change in the amount of water in the pool is - 3 gallons per hours. how many gallons of water will the pool contain after 6 hours show your work