Answer: 54.6
Step-by-step explanation: 42 x 30% = 12.6 ( tax ) then 12.6 + 42 = 54.6
Answer:
13 pounds
Step-by-step explanation:
21-12=13
It appears as if 12cm is half the length of the side so we can assume that the total length of one side is 24cm.
The area of a square is given by the equation
where s is the length of the side.

A=576
The area of this square is 576cm2.
Hope this helps!
The volume of a cone is 1/3 pi r^2 h, so plug this in to get the answer
Answer:
x will have to be 45 to make this true
Step-by-step explanation: