19. Use the information in the diagram to determine the height of the tree. The diagram is not to scale.

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?

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.