Answer:
A unit rate is a rate with 1 in the denominator.
Step-by-step explanation:
12 is the answer
6(7-5)
42-30
12
Step-by-step explanation:
(n-2)×180=3420
180n-360=3420
180n=3420+360
180n=3780
n=3780/180
n=21
that is, the number of sides is 21
to get the size of each exterior angle=
360/21
=17.14°
Answer:
a change in the state of matter
Step-by-step explanation: