Solve for X. Assume that lines which appear tangent are tangent

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585

Calculate the total payback for a $3,500 loan at 8% annual interest with monthly payments for two years. show all of your steps. use the formula, m = pm(1 + m)^na/(1 + m)^na - 1, as needed.