Manufacture claims of the lifespan for their copy machines in months have a normal model with meaning in 42 and a standard deviation of seven it’s a company made 25,000 copiers last year how many would be expected to last last less than 28 months

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

Combine like terms to make a simpler expression 3z+z