100 parents of young children are asked if their school should build a new playground. Is this a biased sample?

A machine at Staples photocopies 12 ¼ pages per minute. If the machine runs 700 minutes, how many pages will be photocopied?

Martin has an 18-cup container of flour that he uses for muffins only. He uses 3 cups of the flour for every batch of muffins he makes. Write an equation to show how much flower is left in the container after x batches of muffins.

Solve 6x + 2 = 5x + 17 for x if there is a solution.

The expression for finding the perimeter of a octogon with equal sides is8 where s is the length of one side. Evaluate this expression when the length of one side is 6 inches

What is the area of a circle with circumference of 12π?

You work at a bridal shop. You need to find out how much satin you will need to make four bridesmaids' dresses and two flower girls' dresses. Each bridesmaid's dress requires 4.5 yards of satin, and each flower girls dresses requires 3.

A necklace is valued at £1200 It's value is expected to increase by 4.5% per year over the next 3 years. Calculate the expected value of the necklace after this time

Natalie drives 2.4 miles round trip each time she goes to the grocery store. Which expression can Natalie use to determine the number of miles she drives in 8 round trips to the grocery store?

Josiah conducts an experiment that has 4 possible outcomes. Sally conducts an experiment that has 10 possible outcomes. The students conduct 50 trials each. Which statement best compares the two experiments?

Can - 20 and 20 be expressed with a less than or equal to sign? Example: - 20 _< 20.