Lesson L. ZHAppy
Which expression below is undefined?
А)
(14 - 7 * 2) + (6 + 5)
B
10 + 10 = 10 - 10
с
8 = (8-4x2)
D
30 - 14 x 2-3
E
10 = 5+1

20 only answer if 100% sure most high school-aged teens are very active. a. true b. false

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota