Population density is the number of people per unit of area. The population density of a certain region is 60 people per square kilometer. If the region covers 23 square kilometers, which is the population of the region?

Which calculations could be used to solve this problem? The toy factory makes 88 beach balls in a day. Each day 7 of the beach balls are rejected as they have holes in them.

Pete painted 4/8of a rectangle green. Me painted 1/8of the same rectangle blue. Pete painted the rest of the rectangle red. What fraction of the rectangle did Pete paint red? Draw a rectangle to model the amount of each color Pete used.

A student had a $20,000 loan at 4% for 10 years. The first payment was $202.49. How much interest and how much principal is paid in the first payment?

14 + 2y - 3 + 7x - 12y + 3x - 20=

If a quadrilateral has exactly one pair of sides parallel it must be a

Edin has £300 in his savings account. His bank offers him a fixed 5% simple interest rate per annum, for a period of 3 years. How much interest will he have earnt after 3 years?

He is driving a truck traveling 45 mph and Adriana is riding a train traveling 60 mph. They both cover the same distance, and Jayden travels 2 hours longer than Adriana. How many hours did each person travel?

Explain how using equivalent ratios is like adding fractions with unlike denominators

A van has 6 students and 2 teachers how many vans are needed for a total of 48 students and 16 teachers

Lucas is applying to both Stanford and Cal-poly. The probability that he gets accepted to Stanford is 0.4. The probability that he gets accepted to Cal-Poly is 0.3. The probability that he is accepted to both schools is 0.15.