3. A set of math tests is normally distributed with a mean of 81 and a standard deviation of 5. If Adam's z-score was -0.6 and Leah's z-score was 2.2, how many points higher did Leah score than Adam?​

Apackage of bacon holds 15 strips of bacon. the pancake house uses 17 packages of bacon in the morning and 21 packages in the afternoon. how many more strips were used in the afternoon than the morning?

What are the values of a, b, and c in the quadratic equation 0 = x2 – 3x - 2? a = 1, b = 3, c = 2 a=, b = -3,c=-2 a = 1, b = 3, c= 2 a = 1.0= -3, c = 2

What is the lcm of 16 and 40 ? 24 and 40 ?