If the roots of x^2 + kx +7=0 are alpha and beta, and alpha square + beta square =22. Find the possible values of k.​

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

1. solve the system of equations by graphing: y = -3x - 3 m = b = y = 2x + 2 m = b = plz solve now

Aparachutist descends 38 in 2 seconds . express the rate of the parachutists change in height as a unit rate