PLEASE HELP AND EXPLAIN!

A. y=60x
B. y=80x
C. y=10x
D. y= 6x

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

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