If the average salary for a college instructor in 1925 was $2300 and that average salary increased each year by $180, in what year was the average salary for a college instructor $10,040?

Which pair of angles are vertical angles? ∠1 and ∠4∠1 and ∠2∠2 and ∠4∠2 and ∠3more than one answer.

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

Line wx is parallel to line yz. if m