There are 5 blue marbles and 4 red marbles in a bag. One marble is drawn from the bag and placed back into the bag. Then, a second marble is drawn. What is the probability that the two randomly selected marbles are both red.

Amanda is making pastry dough. She mixes of a cup of flour and of a cup of sugar. If she wants to mix flour and sugar in the same ratio to make 16 cups of pastry dough, how many cups of flour and sugar will she need?

In Ms. Franko's class for every 6 boys there are 8 girls. Write the ratio of boys to girls in simplest form.

Which will most benefit you financially?

152,909 rounded to the nearest hundred thousand

2. Philip earns $11 an hour. He recorded the number of hours he worked over a one-month period. Philip's Hours DATA Week Number of Hours Worked Week A 15 Week B 24 Week C Week D 18 22 Use compatible numbers to estimate how much Philip earned during

What is (x - 4y) (-3x - 2y) = ?

How do you solve 5h-6-h+10=12

The variable z is directly proportional to x. When x is 16, z has the value 176. What is the value of z when x = 24?

John is making a tent for his next camping trip out of waterproof material. He is going to use two different colors for the tent and needs to know how many square yards of material he will need for the lateral portion of the tent.

How many solutions does the equation |x+7|=0 have?