Problem 2 John buys two types of tree saplings. One starts out at 40 cm and will grow 10 cm every three months. The other
sapling starts at 20 cm and will grow 10 cm every two months. After how many months will they be the same height,
and how tall will they be?
Define Variables:
Write Equations:
Solve for x and y. Choose one of the following methods: substitution, elimination or graphing (SHOW ALL WORK):

What is the ratio of the length of an object in yards to the length of the same object in miles?

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?