Helena asked five drama club members in her homeroom how many tickets they had sold. That mean number of tickets sold was 16. Then she took 10 random samples from the entire drama club of 75 students. That mean number of tickets sold was 22.5. Is one sample better representation explain why or why not.

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.