A=((8.9+8.9)/2) * 5.4 = 48.06P= 8.9*2 +6*2 = 28.4
Area of circle = pi r²
14²= 196
196 x pi = 196pi
Area = 196pi units²
Easy! multiply the 6% by $8 then add it to the $8, now, multiply the 15% by the total of the cost with tax. then you all that to the total. ($9.75)
She can make two cakes and 3 trays of cookies
You can get the number by dividing 19.2 by 0.40
The number is 19.2/0.40 = 48