The mean age of 5 people in a room is 40 years.

A person enters the room.

The mean age is now 37.

What is the age of the person who entered the room?

A scale model of an object is 5 inches tall. The actual object is 250 feet tall. What is the scale factor of the model?

The candy from the estimation jar is being shared equally between the 21 second grade students there are 120 Skittles to share how many Skittles does each student get

Simplify: -3 + 15 / (10 - 2∗3) A 4 B 3 C 2 D 1 E 0

Peter takes 7 minutes and 30 seconds to run 1 mile. How many miles can he run in 15 minutes?

I drink the force of a 16 fluid ounce bottle of juice how many fluid ounces of juice are left in the

A travel agency has 2,106 people registered for a trip. Each tour bus can seat 54 people. How many buses are needed for the trip?

The equation 2x2 - 12x + 1 = 0 is being rewritten in vertex form. Fill in the missing step. Given 2x2 - 12x + 1 = 0 Step 1 2 (x2 - 6x ___) + 1 ___ = 0 Step 2 2 (x2 - 6x + 9) + 1 - 18 = 0 Step 3 ✔ 2 (x - 3) 2 + 17 = 0 2 (x - 3) 2 - 17 =

Show an equation to find out how many milliliters are in 3.4 L

When x=2, y=3, z=4 and a = (3+x) x+y+z+7

If 5.9% of female population was diagnosed with diabetes what percentage was not diagnosed