Answer:
about 7.8
Step-by-step explanation:
a^2+b^2=c^2
1^2+b^2=8^2
2+b^2=64
B^2=62
B= about 7.8
x+4= -2+4
x+4 = 2
Answer: 71 people per year
8210 - 7500 = 710
710 ÷ 10 = 71.
Rate of growth in people per year for those 10 years = 71 people per year.
48 teachers 30 w 18 m
5/8=30
3/8=x
5/8 x =3/8 30
remove 8 from both sides
5x=90
x=18