If f(x)=2x+1 and g(x)=x^2-7, find (f+g)(x) a. x^2=2x-6 b. 2x^2-15 c. x^2+2x+8 d. 2x^3-6

Atoy company is considering a cube or sphere-shaped container for packaging a new product. the height of the cube would equal the diameter of the sphere . compare the volume to surface area ratios of the containers. which packaging will be more efficient? for a sphere, sa =4πr²

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

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