A class has 20 boys and 30 girls and 15 students are to be selected at random for a special assignment. find the probability that exactly 5 boys will be selected.

Lola walks 4/10 mile to her friends house. then she walks 5/10 mile to the store. how far does she wall in all?

How to. find holes in an equation

The total distance that Wanda has traveled in miles, d, is given by the equation d=20t + 4, where t is the time traveled in hours. At what rate is Wanda traveling in miles per hours? A. 4 miles per hour B. 5 miles per hour C. 20 miles per hour D.

Avery prepares 2 equal size oranges for the bats at the zoo. One dish has 3/8 of oranges. Another dish has 1/4 which dish has more. Show the work

Fiona wrote out the description of each step for her multiplication of the binomial and trinomial (2x - 3) (5x2 - 2x + 7). In which step did Fiona make an error? Step 1 Step 2 Step 3 Step 4

At the end of February there are 692 houses in our town. Some new house are built in March. At the end of March there are 967 houses. How many houses are built in March?

What is m. 8 (3+7m) = 360

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