Let f(x)=x^2-5x+8 and g(x)=x^2-4 (f-g)(x)=

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Acircle has a circumference of 28.36 units what is the diameter of the circle

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi