What is [(64/27)-2/3 / (100/9)-0.5] + [(6.25)0.5 / (-4)-1] equal to?

"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.

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.

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?