A bag contains 2 green, 9 brown, 7 yellow, and 4 blue marbles.
Once a marble is selected, it is not replaced.
Find each probability.
3. P(yellow, then yellow)
Oa 1/11
Ob 2/13
1/6
3/14

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.