Answer: 
<u>Step-by-step explanation:</u>
Pythagorean Theorem is: a² + b² = c² , <em>where "c" is the hypotenuse</em>
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Note: 4² + (8√2)² = hypotenuse² → hypotenuse = 12

Note: 12² + opposite² = 20² → opposite = 16

Note: adjacent² + 5² = 6² → adjacent = √11

Note: adjacent² + 7² = (13√2)² → adjacent = 17
Answer:
- 6
Step-by-step explanation:
Step 1:
x ÷ 3 - 5 = - 7 Equation
Step 2:
x ÷ 3 = - 2 Add 5 on both sides
Answer:
x = - 6 Multiply 3 on both sides
Hope This Helps :)
Answer:
scalene triangle
Step-by-step explanation:
all sides are different
Brainlist Pls!
Answer:
8
Step-by-step explanation:
k + 9 = 17
subtract 9 from both sides:
k = 8
18.75÷5=3.75
12.75÷3=4.2
The pack of 5 books has the lower cost per book