Blueberries on sale for $2.80 per pint. the regular price is $3.50 per pint. what is the percent of decrease?

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?

X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work: