Answer (x is the money Harper found):
- Equation: (35 + x) = (41 - 2x)
- Solution: x = 2
I hope this helps!
43
30
45
10
47
These are the answers in order
The quadrilateral is a square
<h3>What are quadrilaterals?</h3>
Quadrilaterals are polygons, that have four sides and four corners
The coordinates are given as:
- A = (3, 5)
- B = (5, 2)
- C = (8, 4)
- D = (6, 7)
Start by calculating the adjacent side lengths using:

So, we have:




The side lengths are equal.
Hence, the quadrilateral is a square
Read more about quadrilaterals at:
brainly.com/question/5715879
Answer:
<h3>Part A</h3>
As per the given information there are 4 different price intervals.
<u>Let x be the age and y be the admission price, then we have following equations;</u>
- y = 10.50, if 15 ≤ x ≤ 61
- y = 8.50, if x ≥ 62
- y = 6.50, if 2 ≤ x ≤ 14
- y = 0, if 0 ≤ x ≤ 1