X + x + 24 = 58
x = (58-24)/2=17
the first number is 17 and the second number is the sum of 17 and 28. Finding it has been left as an exercise for the reader.
Answer:

Step-by-step explanation:
we know that
<u><em>Combinations</em></u> are a way to calculate the total outcomes of an event where order of the outcomes does not matter.
To calculate combinations, we will use the formula

where
n represents the total number of items
r represents the number of items being chosen at a time.
In this problem

substitute

simplify




Is there supposed to be an x before 4x?
Answer:
Isosceles triangle
Step-by-step explanation:
|528 1/5 - (-89 3/5)|
|528 1/5 + 89 3/5|
|617 4/5|
617 4/5
Hope this helped!