Find an upper limit for the zeros of 2x^4-7x^3+4x^2+7x-6=0
the answer choices are -1, 4, and 5

Is the open sentence 5x-2=3x+2 true when x=2? justify your answer.

3. solve the given inequality and graph the solution on a number line.

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.