Ms. fox asked her class "is the sum of 4.2 and the square root of 7 irrational or rational? " patrick answered that the sum would be irrational. state whether patrick is correct or incorrect.

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.