A normal distribution has a mean of μ = 100 with = 20. If one score is randomly selected from this distribution, what is the probability that the score will have a value between X = 100 and X = 130?

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?