Ravi has some money. if he buys 40 doughnuts, he will have $5 left. if he buys 50 doughnuts, he will need another $15. how much does one doughnut cost?

The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −5 0 −1 1 3 g(x) g(x) = 2x − 7 part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) part b: which function has a greater y-intercept? justify your answer. (4 points)

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.