PLEASE HELP ASAP! PARABOLA An archway will be constructed over a walkway. A piece of wood will need to be curved to match a parabola. If the focal point is (2,5) and the directrix is y = -7. Find the equation of the parabola.

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z

Match the one-to-one functions with their inverse functions.