Would i️ have to use 1/4x + 2 1/2x = 7 3/4 or 1/4 + 2 1/2x = 7 3/4? ?

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

Asequence has a common ratio of and f(5) = 81. which explicit formula represents the sequence? f(x) = 24 f(x) = 16 f(x) = 24 f(x) = 16