6. x=1 , y=2
7. x=-4 , y=5
8. Infinitely Many Solutions
1 dozen= 12
12*10= 120 cookies
chocolate chip is 1/2
1/2 of 120 is 60
60 chocolate chip cookies
Peanut Butter is 1/4 (or half of 1/2)
1/2=60 so that means 1/4=30
30 PB cookies
Sugar and oatmeal raisin are both 1/8 (half of 1/4)
1/4= 30 so that means 1/8=15
15 Sugar Cookies
15 Oatmeal Raisin
3/5 of PB were burned
Original PB was 30
3/5 of 30 is 18
18 cookies were burnt
30-18=12 (which were salvaged)
12 PB cookies remain
Hope this helps
Xⁿ means x times itself n times
3³ means 3 times itself 3 times or (3)(3)(3) or 27
Answer:
the answer is A
Step-by-step explanation:
A is the answer my dear
Pizza flat price is 12.99
each topping is 0.75
cost=pizza+toppings
toppings=number of topings (n) times cost per toping (0.75)
toppings=0.75n
so
cost=12.99+0.75n or
cost=0.75n+12.99