A total of 6000 is invested: part at 5% and the remainder at 10%. How much is invested at each rate if the annual Interest is 510$

The expression 42 plus 57 shows how much money nate spent at a store .which expression also shows how much money nate spend

If a • b*2 = 1.8 x 10*-7, and c•b/d = 7.2 x 10*-4, find the value of a•d*2/c*2

"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.