Check: Is f(8) = 7 ? 2(8) - 9 = 7 ? 16 - 9 = 7 ? 7 = 7 ?yes
If 3 of the pennies are Canadian, then the other 12-3=9 pennies are not Canadian. Therefore, the desired probability is 9/12, which is equal to 3/4. B is the correct answer.
Answer:
the second one the x-axis is the horizontal one
Step-by-step explanation:
If its 20 more than last month that means x + $20 = $70, solve that and you get x = $50, last month she saved $50
