HELP ON ANY OF THESE IS APPRICIATED PLEASE HELP ITS DUE IN 1 HOUR I WILL GIVE BRAINLIST

One positive number is 9 more than twice another. if their product is 95, find the numbers

The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.