A nearby playground has a sandbox. Erica stretches string out to show the diagonals of the sandbox. The diagonals are perpendicular and they bisect each other. Is the sandbox a square?

The value of cos 30° is the same as which of the following?

Look at the chart showing the results of a baseball player at bat. which is the probability of getting a hit?

Mallory has been offers two different jobs. she can baby sit for 6 hours a week and get $8.50 an hour. or she can work at the library for 14 hours a week and make $5.50 an hour. which job will allow her to save the most money after 6weeks?