Abag contains 20 pink marbles and 12 yellow marbles. you choose a marble at random. what is the probability of selecting a pink marble?

What is the value of 1/3× + 7x, when x =5

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?