The rain caused the river to rise a total of 6 2/3 inches. the river was rising at an average of 2/3 of an inch each hour. how many hours did it rain?

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Aculture started with 2,000 bacteria. after 8 hours, it grew to 2,400 bacteria. predict how many bacteria will be present after 19 hours . round your answer to the nearest whole number. p=ae^kt

Jim had 3,067.48 in his checking account he wrote a check to pay for two airplane tickets. his account now has 1,845.24.