Solve by completing the square a^2 + 10a+21=0

Forty-three percent of marriages end in divorce. you randomly select 15 married couples. find the probability exactly 5 of the marriages will end in divorce.

What is the degree measure of one sixth of a right angle

A pet store owner, Brooklyn, needs to determine how much food she needs to feed the animals. Brooklyn knows that she needs to order the same amount of bird food as hamster food.

For the equation y = 3.5x and y = 25x + 40.50, x represent time in hours and y represents cost in dollars. Which equation is not the equation of a proportional relationship? Explain.

The solution of a division problem is called a

How do you write 8 ten thousands, 8 thousands, 14 hundreds, and 7 ones in standard form

What is the shape of the cross section in the figure? Circle Rectangle Square Triangle

4=x^2-7 solve each equation

Roger works in a new motorcycle shop. He's page set up new motorcycles when they arrive from the factory. He's also responsible for test for each one. His boss pays him $125 Per motorcycle assemble plus another $18 per test ride.

Whats 52.2 divided by 12