There are six teachers in a room, ages, 40, 50, 45, 55, and 65. If a 29 year old teacher enters the room, how will the mean age and standard deviation be affected?

Estimate the difference by rounding each fraction or mixed number to the nearest half or whole. 3 1/8 - 7/12

Use the function below to find f (3) f (x) = 3^x

What is the sum of the solutions of 2|x - 1| - 4 = - 2? A. 1 1/2 B. 0 C. -2 D. 2

Barbie is thinking of a number. twenty less than on third of the number 72. Find Barbie's

What does 14 tens equal

Ac equals 5in cb equals 3in. what does ab equal to

You sold $105 worth of tickets, but you spilled soda on the record sheet and don't know how many of each tickets you sold. students tickets cost $5 and adult tickets cost $7 each. use x for student tickets and y for adult tickets

Which polynomial is prime? 7x2 - 35x + 2x - 10 9x3 + 11x2 + 3x - 33 10x3 - 15x2 + 8x - 12 12x4 + 42x2 + 4x2 + 14

You are ordering T-shirts with your school's mascot printed on them. Each T-shirt costs $4.75. The printer chargers a setup fee of $30 and $2.40 to print each shirt. Write two expressions to represent the total cost of printing n T-shirts.

What area formula does a trapezoid have?