There are nine official Inauguration Balls on the evening of Inauguration Day. Each ball lasts from 7 p. m. to 1 a. m. Let's assume the President would like to attend each ball. Assuming that the President requires 15 minutes of travel time between each ball, what is the average number of minutes she will be able to spend at each ball if she arrives at the first one at 7 p. m. and leaves the last one at 1 a. m.? Express your answer to the nearest whole number​

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered

For g(x) = 5x - 3 and h(x) = [tex]\sqrt{x}[/tex], find (g · h)(4)

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?