11. Here are some data about countries in North America. Country
Population
in 2004
Area (km)
Canada
32 507 874
293 027 571
104 959 594
9 984 670
9 629 091
U. S.
Mexico
1972 550
a) How much space does each person have in each country?
b) By what percent does:
i) the population of Mexico exceed that of Canada?
ii) the area of Canada exceed that of Mexico?
c) Make up, then solve your own problem about these data.

Lilianna uses 3/4 calories per minute just by sitting. she uses 1 more calorie per minute by walking. lilianna uses a total of 12 1/4 calories walking to the park. lilianna uses the equation, d(.75+1)=12.25 to represent the situation. what does the variable d represent in the equation?

What is the area of the trapezoid shown ?

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.