Which linear regression equation best fits the given points? (0,8), (1,6), (1,7), (2,4), (2,5), (4,1), (5,1), (6,0)
a. y = 2/5x + 7.6
b. y = -2/5x
c. y = -7/5x + 7.6
d. y = -7/5x

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

Use the x-intercept method to find all real solutions of the equation. -9x^3-7x^2-96x+36=3x^3+x^2-3x+8

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%