If the speed of a is 3 ft/s up and is increasing at 4 what is the instantaneous speed and acceleration

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

Tan198=asin164=? how to solve this? ?

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.