Answer:

Step-by-step explanation:
You factor out the common term first.
You should get the equation below.

then you get rid of the negative inside
and will be simplified to this.

Answer:
Step-by-step explanation:
pythagoras theorem
a^2+b^2=c^2
8^2+x^2=10^2
64+x^2=100
x^2=100-64
x=
x=6 km
Answer:
-4
Step-by-step explanation:
y=-4x-9
y=mx+b
m=slope
Answer:
70 miles per hour and 96 kilometers per hour
Cheetahs can go from 0 to 60 miles per hour in just 3.4 seconds and reach a top speed of 70 miles per hour. While they are the fastest land animal in the world, they can only maintain their speed for only 20 to 30 seconds.
Step-by-step explanation:
Please tell me if its wrong then ill change it ^-^ if i can find the right answer fir you!
but if it is right i hope it helps!