If z=13i -7 what is the value of |z|?

For what values of x is x2 + 2x = 24 true?

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.

Find the rate of change for the situation.you run 7 miles in one hour and 21 miles in three hours.