A calculator is programmed to generate random integers from 1 to 80 inclusive when the button is pressed. What is P(multiple of 20) when the button is pressed one time?

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.

What is the perimeter of a rectangle if the length is 5 and the width is x?

Determine if this is a solution to the system