If the ncua pays $1.92 billion to cover several failed credit unions, and doing so drains its reserve fund by 8.42%, approximately how much was in the fund to begin with? a. $24.7 billion b. $22.8 billion c. $20.9 billion d. $19.0 billion

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

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.

Solve 3x-18=2y and 5x-6y=6 by elimination show work