Answer:
r = 13
Step-by-step explanation:
these angles are vertical and are congruent
8r + 6 = 9r - 7
6 = r - 7
13 = r
The statement on the bottom left is correct. (6 students studied for 20 to 24 hours)
Answer:
<h3>hope it helps you see the attachment for further information... </h3>
<h3>regards..... </h3>
<h3>_addy_✨✨</h3>
If you know the measurements of 2 sides not the height , you can apply Pythagorean theorem to find the height. Square root of the sum of the squared sides
Answer:
C
Step-by-step explanation: