Scores on an exam are normally distributed with a mean is 71 and a standard deviation is 8. Find the percent of scores that are

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?

Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.

Ms. green tells you that a right triangle has a hypotenuse if 13 and a leg of 5. she ask you to find the other leg of the triangle. what is you're answer?