This problem has two parts, part a and part b. read the proof, and then answer both parts. given: (a+b)2 prove (a+b)2=a2+2ab+b2. statements reasons 1. (a+b)2 given 2. (a+b)(a+b) rewrite the power as a product of the base. 3. _[blank ]_ distributive property 4. a2+ab+ab+b2 distributive property 5. a2+2ab+b2 combine like terms.

Plz need answer now will mark which situations represent linear functions? check all that apply. a)the temperature rises and falls over the course of a day. temperature is a function of time. b)a baseball is hit into the outfield. the height of the ball is a function of time. c)a car goes 55 mph on the highway. distance is a function of time. d)a child grew 2 inches this year and 1 inch last year. height is a function of time. e)a movie director makes 2 movies per year. the number of movies is a function of the years.

Asphere has a diameter of 10 in. what is the volume of the sphere?

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.