In a normal distribution what percent of values fall within one standard deviation of the mean?

19.1%

15%

30%

68.2%

How to solve - 17-3 (2x+13) + 24

3 (x-3) 2x+5 4x-1 Diagram NOT accurately drawn The lengths, in cm, of the sides of the triangle are 3 (x - 3), 4x - 1 and 2x + 5 (a) the perimeter of the triangle is 49cm work out the value of x

What are the solutions of the equation x2 + 4x + 4 = 25

Express the polynomial 6e2 + 3e3 + 1 in standard form and then classify it.

Is 45 - 4 positive or negative?

If (m, 1) is on a circle with center (8, 1) and radius 7, what is a value of m? A) m=1 B) m=-1 C) m=14 D) m=-8=-+sqrt33

Solve the system of equations: what is the y-value in the solution? 3x - 5y = - 16 and 2x + 5y = 31 A. 5 B. 3 C. 2 D. 4 Solve the system of equations: what is the y-value in the solution? 3x - 5y = - 16 and 2x + 5y = 31 A. 5 B. 3 C. 2 D. 4

Emily just hired a new employee to work in your bakeshop. In one hour the employee burned 650 chocolate chip cookies. If this represented 13% of the day's production, how many cookies did you plan on producing that day?

The quantity 4 minus x, divided by 3

Find the mean and median of the data. 8 1/2, 6 5/8, 3 1/8, 5 3/4, 6 5/8, 5 1/4,10 5/8, 4 1/2