Without actually solving each equation, determine which one of the following has 0 in its solution set. Explain your answer. p3 + 5p2 = -7p 9n - 8n - 1 = 0 x2 + 10x - 2 = 0 49p2 - 9 = 0 .

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

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

Devonte is balancing his checking account. his account statement does not include a deposit of $107.00 that he made on november 1st. what is devonte’s actual account balance?