In a plan for area codes, the first digit could be any number from 3 through 8, the second digit was either 0 or 4, and the third digit can be any number but 0. with this plan, how many different area codes are possible?

Which formula gives the area of a triangle? a=1/2(b+h)

"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 graph shows the amount of total rainfall at each hour what was the total rainfall amount after three hours