For the given arithmetic sequence find the common difference, d.
4, 1.75, -0.5,-2.75

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?