If the mean of a test is 80 and the standard deviation is 4, how many students scored above

an 80?

50%

68%

34%

95%

which is the right answer?

Fish dood comes in boxes with 9 containers of food in each box. habib sells 2 boxes of food. he wants to arrange the remaining fish food containers into equal partss. A. how many containers of fish food are left? show how you solved the problem. B.

why would someome choose to use a graphing calculator to solve a system of linear equations instead of graphing by hand? explain your reasoning.

Which of the following statements are true? Select all that apply. The expression - (-3.5) is equivalent to 3.5. The opposite of 0 is itself. The opposite of - 3.5 is located 3.5 units to the right of 0 on the number line. The opposite of 3.

Find f f' (x) = 1+3sqrt (x) f (4) = 25

The volume of a water in a fish tank is 84,000cm the fish tank has the length 60cm and the width 35cm. The water comes to 10cm from the top of the tank. calculate the height of the tank.

Five girls share 4 sandwiches equally. What fraction of the sandwich does each girl get?

What is the distributive property of 25

Holden and Alma earned $32 by doing yard work in their neighborhood. They will share their money equally. How much money will each person get? Explain your work and show the work.

Melissa's father is 194 cm tall. He is 79 cm taller than Melissa. How tall is Melissa?

Solve the system y = 3x + 2 and 3y = 9x + 6 by using graph paper or graphing technology. What is the solution to the system? A. (3, 2) B. No Solutions C. (9, 2) D. Infinite Solutions