I hope this helps you
square one side a
Area=a.a
49=a.a
7.7=a.a
a=7
Perimeter=4a=4.7=28
Rule needed: i^2 = -1
Standard form a + bi
(3 + 2i)(7 - 5i) FOIL
3 * 7 = 21
3 * - 5i = - 15i
2i * 7 = 14i
2i * -5i = - 10i^2 = - 10 * -1 = 10
Putting it all back together.
31 - i
Answer:
ok
Step-by-step explanation:
Answer:
60h
Step-by-step explanation:
180/3: Divide 180 by 3 to get the rate of change.