Joan and Jane are sisters. Jean is Joan's daughter and 12 years younger than her aunt. Joan is twice as old as Jean. Four years ago, Joan was the same age as Jane is now, and Jane was twice as old as her niece. How old is Jean?

In a bakery, 9,120 cookies are packed into boxes with 24 cookies in each box. The manager says they will need 350 boxes to pack all the cookies. Part A? is explain why the manager is incorrect.

5th garade math prob 4.6:7=

What is the missing angle measure of 112°

Two times a number is at least 16. find the number

Witch expression is equivalent to (-4y-x) - 3y-9x)

Find the interior angles of a heptagon

5x + 3 = 7x - 1. Find x a. 1/3 b. ½ c. 1 d. 2

Sarah solved a quadratic equation. Her work is shown below, with Step 1 missing. What could Sarah have written as the result from Step 1? 2 (x + 1) 2 + 6 = 134 Step 1 (x+1) 2 - 64 Step 2 2+1 = 18 Step 3 x = - 9 or x = 7 Step 4 Khan academy quiz

Ecessary. Bamples 3. What number is 15% of 60?

Let f (x) = 9x - 2 and g (x) = - x + 3. Find f (g (x)).