During first semester, the ratio of the number in art class to the number of students in gym class was 2: 7. however, the art classes were really small, and the gym classes were large, so the principle changed students classes for second semester. in second semester, the ratio of the number of students in art class to the number of students in gym class was 5: 4. if 75 students were in art class second semester, how many were in art class and gym class first semester?

Given a(-12,5) and b(12,29) find the point that divides the line segment ab three-eighths of the way from a to b

Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =

D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°