The cost of dvds has decreased at a rate of 15% per year over the past several years. a). if the current cost is$10, write an exponential equation describing this situation.

"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.

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

What is the value of x in the following equation? -3x-2=2x+8