Joe owns 7 acres of farmland. he grows beets on 1/5 of the land. on how many acres of land does joe grow beets?

simplify your answer and write it as a proper fraction or as a whole or mixed number.

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3