according to a survey of workers, 2/50 of them walk to work, 7/50 bike, 10/50 carpool, and 31/50 drive alone. What percent of workers walk or bike to work?

During how many months was the difference between the number of days with homework and with no homework greater than 6?

You estimate that a baby bird weighs 2 pounds. the actual weight of the baby bird is 1.5 pounds. find the percent error. round your answer to the nearest hundredth of a percent.

Find the cube roots of 8i. write the answer in a + bi