Answer:
470 zombies
Step-by-step explanation:
To find how many they killed, multiply 724 by 0.65
724(0.65)
= 470.6
Round down to 470, since there can only be a whole number for zombies
So, the player killed approximately 470 zombies
The answer is B because in total you there are 15 bicycles and tricycles so b +t =15
Bicycles have 2 wheels and tricycles have 3 wheels so 2b + 3t = 45
Answer:

Step-by-step explanation:
First, start by converting 4 feet to inches. Note that 1 foot = 12 inches.
Set up a unit converter:

The ft cancel out leaving us with:

Now, we can set up a scale factor...

Answer:
20xπ units
Step-by-step explanation:
Use the formula for the length of an arc.
θ/360 × 2πr
The length of the arc and the central angle is already given.
18/360 × 2πr = xπ
Solve for r.
r = (xπ)/(18/360)/(2π)
r = 10x
The radius is 10x.
The circumference is 2πr.
2π(10x)
20xπ
The circumference of the circle is 20xπ units.