Answer:
1. 7^(x-y)
2. z^5x^y
Step-by-step explanation:
The applicable rule of exponents is ...
(a^b)/(a^c) = a^(b-c)
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1.

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2.

Answer: There are 1.52 pints in 720 mililiters.
Step-by-step explanation:
You need to remember that there are 473.176 mililiters in 1 pint.
Therefore, having 720 mililiters, you need to make the corresponding conversion from mililiters to pints.
Then, you get that 720 mililiters to pints is:

Therefore, the answers is: There are 1.52 pints in 720 mililiters.
Answer:
15 goals out of 50 penalty kicks was scored by brock
Step-by-step explanation:
If Brock shoots 50 penalty kicks and the probability that he scores a penalty kick is 3/10, the number of goal brock is expected to make can be expressed as:
Number of goals scored = probability value * total penalty kicks taken
Number of goals scored = 
Number of goals scored = 
Answer:
cos z = 35 / 37
Step-by-step explanation:
cos z is the ratio of the adjacent side of a triangle (the side adjacent to angle z to the hypotenuse:
cos z = (adj. side) / (hypotenuse)
Here we have cos z = 35 / 37