Answer:
x = 23/7
Step-by-step explanation:
7 x + 15 equals 38
7x+15 = 38
Subtract 15 from each side
7x+15-15 = 38-15
7x = 23
Divide each side by 7
7x/7 = 23/7
x = 23/7
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<span>a² + b² = c²
3² + 4² = c²
25 = c²
c = 5</span>
Answer: The shortest is 14 in. the longest is 22 in. and the middle is 20 in.
Step-by-step explanation: