What is the mean of all three-digit positive integers whose digits are in the set 2, 0, 1, 9.

A couple is planning to have three children. Each child is equally likely to be a boy or a girl. If this couple's plan is successful, what is the probability that they will have exactly two girls?

Passes through (3,1), perpendicular to y=-3x+2

Antonio is buying a stereo, speakers, and amplifiers for his car audio system. He is choosing among 4 models of stereos and 3 styles of speakers. If he has 36 different choices, how many kinds of amplifiers must there be?

Jordan spent 3 hours and 12 minutes at a local farm how many minutes did he spend at the farm

How do you do - 23 = - 2a - 10 + a

What is the result of isolating x2 in x2 + (y-5) 2=30

Determine whether each function has a maximum or minimum value. Then find the value 8. Y=-x^2+4x-4

4/5 is, or = to 0.4, explain why will give brainliest maybe

What is the relationship between the lengths of the sides and the measures of the angles in a triangle

Solve the quadratic equations 2 (x-2) ^2+5=23