31. Mark is building his son a pitcher's mound so he can practice for his upcoming baseball season in the back yard. Mark knows that the league requires an incline of 12 and an elevation of 8 inches in height. How long will the front of the pitcher's mound need to be?​

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9

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.

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?