Is a percent a constant of proportionality

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

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.

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?