Solve the following system of equations algebraically and check.

y=x^2+3x+4

y-x=7

While selling lemonade as his lemonade stand, Steve recorded whether a customer gave him exact change or not. He recorded the data in the table. Calculate the emperimental probability that the next customer will give Steve the exact change?

each baseball team has 9 players and each football team has 11 players. 6 schools have both baseball and football teams. Four schools have only a baseball team. how many players are there for all 10 schools

Using Calculus, find the volume of the pyramid with height h and rectangular base with dimensions b and 2b

Divide to find two equivalent fraction 18/6

16+28:2-6 over 10-4x2

You lose your electronic tag that you use to pays tolls on the highway in your city. It costs you $24 to replace the tag. The costs of one toll when you don't use tag is $3. The cost of the same toll when you do use the tag is $1.50.

Item 12 Given f (x) = 3x2-5x-2. What is the value of f (-23) ?

Multiply and give your lowest answer. 16/21 x 3/5 x 5/8 = ?

The sum of two rational numbers will always be an irrational number. an integer. a rational number. a whole number.

A room has 3 lamps. From a collection of 12 light bulbs of which 5 are not working, Richard selects 3 at random and puts them in the sockets. What is the probability that he will have light? ... ?