Evaluate the expression
3x² + 5x when x = 5​

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?

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss