Jada invested three times as much money in mining shares as she invested in telecommunications shares. Mining shares pay a yearly return of 9%, and telecommunications shares earn 7% yearly.
Jada's yearly income from the shares is $816. Find how much money Jada invested in each type of
share.

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

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why

Solve the equation by completing the square. x^2+2x=17