Cross section of a sphere is a circle
Of the function choices offered, only the first includes (-1, 5) in its graph.
a) y = 10(2)^x
Here is your answer:
<span>5.9/100 * 100 = 0.059
0.059 * 100 = 5.9%
=5.9%
Therefore the answer is "5.9%."
Hope this helps!</span>
Answer: 
Step-by-step explanation:
To solve for x, you need to get x alone. In this problem, k is a constant.


Answer: The director can choose first a lead singer and then a stand-in for the lead singer in 132 ways.
Step-by-step explanation:
Given : The total number of singers auditioning for the school musical.= 12
The director wanted choose first a lead singer and then a stand-in for the lead singer.
We use Permutations here because order of selecting the singers matters.
The number of permutations of selecting r things out of n things = 
Similarly , the number of ways to select 2 singers in an order from 12 singers


Hence, the director can choose first a lead singer and then a stand-in for the lead singer in 132 ways.