John says the transformation rule (x, y) + (x + 4, y + 7) can be used to describe the slide of the pre-image (4,5) to the image (0, 2). What was his error?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?