How would you do Standard Deviation?

Daniel wants to have a 90 average in his math class at the end of the year. He is trying to determine what he needs to get on his final exam, which accounts for 10% of his grade, for this to work.

The minute hand of a clock is 4.7 cm long. Calculate the are of the sector swept by the minute hand after 25 min

An art museum has two types of pieces of art: paintings and sculptures. The museum has 2,009 paintings. The museum has 492 sculptures. Which of the following is closest to the fraction of the museum's pieces of art that are paintings?

The sum of two numbers is 95 95 and their difference is 5 5 . What are the two numbers? Let x= x = one number and y= y = the other number. The corresponding modeling system is {x+y=95x-y=5 { x + y =95 x - y = 5 . Solve the system graphically.

The fourth grade championship spelling bee began at 8:15 A. M. It lasted 3 hours and 48 minutes. What time did the spelling bee end?

THE vertices of ABC are A (-2,2, B (6,2, and c (0,8). The perimeter of ABC is

The cost to enter a waterpark increases from $56 per person to $73 per person. What percent of the entry fee increase

What is 100 written as a product of prime factors

The volume in cubic feet of a box can be expressed as (x) = x^3-6x^2+8x, or as the product of three linear factors with integer coefficients. The width of the box is x-2. Factor the polynomial to find linear expressions for the height and the length.

A ball made out of a special material is inflated such that its diameter changes from 14 inches to 18 inches. What is the approximate change in the volume of the ball?