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?

Suppose that a family has an equally likely chance of having a cat or a dog. If they have two pets, they could have 1 dog and 1 cat, they could have 2 dogs, or they could have 2 cats.

A manufacturer designs a circular ornament with lines of glitter as shown. Identify m∠PSR. m=60 m=30 m=90 m=120

What is the answer to this 10 - (4y-8) = 2-5y

Are the ratios 21/149 and 30/70 equivalent explain

What is the surface area of this cuboid? height: 5cm length: 9cm width: 4cm

How to sole this elimination problem 2x-5y=3 3x+4y=1

Alma got to the playground at 2:45. she spent 20 minutes on the swings and 10 minutes on the jungle gym. She played on the slide for 12 minutes. Then she went home. What time did alma go home?

What if angle 6=50 then find angle 11 what would it be how would you do it

A long distance runner can run 9 miles per hour. how many hours will it take the runner to run 27 miles

If z is the principal square root of 8, what must be true? If z is the principal square root of 8, what must be true? A. z = 82, and z is positive B. z = 82, and z is negative C. z2 = 8, and z is negative D. z2 = 8, and z is positive