Laura wants to develop a model that shows how natural processes can suddenly change the earths surface. which of the following could she show in the model?

a. erosion of a sandy beach by storms

b. formation of a canyon by a river

c. craving of a valley by a glacier

d. weathering of rocks by wind

plz!

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?