The period of a pendulum is tge time the pendulum takes to swing back and forth. the function l=0.81t^2 relates tge lenght l in feet of a pendulum to the time t in seconds that it takes to swing back and forth. a convebtion center has a pendulum that is 130 feet long. find the period. (the period of the pendulum is seconds.)

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6

According to the data set, where should the upper quartile line of the box plot be placed?