Solve using matrices.

x + y + z = 6

x + y - z = 0

3x + 2y + z = 10

1,-1 after a translation left 4 units and down 5 units

How many five-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7, and 8? repeated digits are allowed?

Yancey collects plastic banks. he has three different banks:a pig, a cow, and horse. how many ways can Yancey arrange his banks on a shelf?

A pilot can travel 540 miles with the wind in the same amount of time as 380 miles against the wind. Find the speed of the wind if the pilots speed in still air is 230 miles per hour.

The list shows the ages of first-year teachers in one school system. what is the mode of the ages?23, 42, 21, 25, 23, 24, 23, 24, 37, 23, 39, 51, 63, 24, 5523 51 37 24

A taxi cab charges $1.75 for the flat fee and $0.25 for each mile. Write an in equality to determine how many miles Eddie can travel if he has $15 to spend.

Show how to multiply 9 x 475 using expanded form and the distributive property

A manatee surfaced for air 2 times in 60 seconds. In how many seconds will the manatee surface again if it continues taking breathes at the same rate?

There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is 7 8. There are 72 marbles in total in the bag and each is equally likely to be chosen. Work out how many red marbles there must be.

Lucy has one half hour to decorate a dozen cupcakes for a bake sale. how much time can she spend on each cupcake