Solve this system of equations using the addition method.

5x + 2y = 19

x - 2y = - 1

Solve this riddle: I am an odd number. I an less than 100. The some of my digit is 12. I am a multiple of 15. What number am I?

What is the slope of y=7-3x

John has open eight gifts and six of them have been toys what is the probability that the next gift he opens will be Toy?

A grocery store has 48 cartons of eggs. if there are 12 eggs in each carton, how many ounces of peanut butter are there in 1 serving?

A $360,000 building is depreciated by its owner. the value y of the building after x months is: y = 360,000 - 1,500 x. how many months will it take until it is completely depreciated

What is the 10th of a quarter of 1600

You want to find the area of the front of a house, whose shape is a triangle on top of a rectangle with a width of 10. The triangle's height is 11 and the rectangle's height is 6. What is the total area of the front of the house?

Write fraction in lowest term 25/40. Also show all steps

Plot the intercept 7x-3y=21

Which of the following is an example of an equation? 2m + 1 x + 7 9 - X + 7 X-8 = 12