A poll shows that 50% of students play sports. A random sample of 20 students showed that 70% of them play sports. A number generator was used to simulate 20 samples from a population in which 50% of students play sports. The results are shown in the dot plot.

What is the chance of getting a sample proportion of 70% or greater?

A.0.2

B.0.3

C.0.4

D.0.6

If g(x) is an odd function, which function must be an even function?

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.

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup