Answer:
C
Step-by-step explanation:
Reflect over y axis the rotate 180 degrees.
Okay. The equation for a sphere's surface area is A = 4 * pi * r^2. Let's plug 5 in for r.

I got 314 cm^2 is the surface area, but it always helps to double check work! Hope this helps!
Total number of seats = 5
Total number of friends = 5
We want to find in how many ways the 5 friends can sit or be arranged in 5 seats. This can be found using permutations.So we are to find the permutations of 5 objects taken 5 at a time. This can be expressed as 5P5.
5P5 = 120
So, the 5 friends can sit in 120 different ways.
The correct answer is option D
Answer:
d
Step-by-step explanation:
by using the a²+b²=c²
c²=

Answer:
$42.79
Step-by-step explanation:
Tax: 2.7993 or 2.80
39.99 + 2.80 = 42.79