What is the following sum? assume x20 and y20.
223 +2.5x24. + x) sy
27. sy-2x3 2x
0 28 54 +235 2x
47 238
0 284. (x)

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

One of the solutions to x2 - 2x – 15 = 0 is x = -3. what is the other solution? ox=-5 ox= -1 0 x=1 x = 5

Given a normal distribution with µ =50 and σ =4, what is the probability that 5% of the values are less than what x values? between what two x values (symmetrically distributed around the mean) are 95 % of the values? instructions: show all your work as to how you have reached your answer. don’t simply state the results. show graphs where necessary.