The midpoint between (-4, 8) and (0, 10) is (x, y) what is y?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Agraphic designer created a logo on eight and a half by 11 inch paper. in order to be placed on a business card, the logo needs to be one and 7/10 inches by 2 and 1/5 in. what is the scale factor of the dilation

Apool measures 100 meters by 100 meters a toddler inside the pool and trows a ball 60 centimeters from one edge of the pool. how far is the ball from the opposite edge of the pool