Marissa is choosing a four-digit pin for her atm card. the first digit must be a digit from 1 through 9. for the other three digits, she can choose any combination of digits 0 through 9, but may not repeat a digit. which shows part of the sample space for marissa’s pin?
0123, 0456, 0789
1012, 1033, 1004
2345, 2034, 2134
3200, 4200, 5200

"princess tower" in dubai is considered the world's tallest residential building, towering to 1 0 1 101 floors! t ( n ) t(n) models the number of tenants living on floor n n of the tower. what does the statement t ( 2 0 ) = t ( c ) t(20)=t(c) mean?

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

Which representation has a constant of variation of -2.5