8. The average age of 3 boys is 15 yrs. But if one is not considered,

average age will be 20 yrs. What is the age of expelled one?

For questions x-x perform the indicated operation. Don't forget to determine the sign of your answer first. Q: What does the "sign of my answer" mean? Here is an example of one of the operations ... 77.94 - 77.94 + 42.09

6-11m=8m^2+19m+13 What is m?

Jasmine has 3/4 cup of flour in a mixing bowl. After adding more flour to the mixing bowl, Jasmine says that she now has 5/8 cup of flour. Why is her statement incorrect?

How to simplify (2x^4) ^5

The function f (x) = x+π is a polynomial. A. True B. False

Facto made chicken dish for dinner. She added a 10-ounce package of vegetables and 14-ounce package of rice to 40 ounces of chicken. What total weight of the chicken dish in pounds?

How do you add and subtract decimals as easily as you do whole numbers?

Whar is the value of x (x+1) + (2x-15)

Expand then simplify 2 (x-5) + 2x

A set of speakers costs $22 and songs cost $1.25 each. The sales tax rate is 7.5%. The expression 0.075 (22 + 1.25s) can be used to determine the amount of sales tax due on the entire purchase.