11 x 3 3/4 = 41 1/4 (41.25)
10 1/2 x 0.55 = 5.775
41.25 + 5.775 = 47.025
100 - 47.025 = $52.975 her change
Hope it helps!
Answer:
Choice C: (x-2)^2 + (y-1)^2 = 25
Victoria's method is linear because the number of minutes increase by an equal number (15) every month.
Workings in the attachments below. The green line is the function that has been set up for Victoria. The lines that form a curved looking graph belong to the function that was set up for Zach.
3/4 coins are heads:
THHH
HTHH
HHTH
HHHT
4 chances
2 options of heads/tails with 4 coins
2*2*2*2= 16
4/16 :)