How much principal must be depo- Sited to earn $1,200 simple interest
in six years at a rate of 3%? Round
to the nearest hundreth.

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

What is the value of x in the diagram below?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10