Answer:
y = 240 cm crawl
x = 120 cm walking
Step-by-step explanation:
Logic....
Answer:
b. (x-3) / (x+1)
c. x/(x+5)
Step-by-step explanation:
b. (x+2)(x-3) / (x+1)(x+2)
c. x(x - 5) / (x + 5 ( x - 5)
= x / x+5
300²+400²=500² is your answer
a²<span> + b</span>²<span> = c</span>²