The cost of a shirt is $11.99. When Ian pays for the shirt plus tax with a 20-dollar bill, he receives $7.30 in change. What is the tax on the shirt? *

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?