Answer:
x=139 degrees
Step-by-step explanation:
(2j+7)(2j−7)
=(2j+7)(2j+−7)
=(2j)(2j)+(2j)(−7)+(7)(2j)+(7)(−7)
=4j2−14j+14j−49
=4j2−49
Answer:
16 is answer
Step-by-step explanation:
3(2)^2+4(1)^2= 3(4)+4(1)=12+4=16
C.8.0×102
<h3><em>that is my answer</em></h3>
<h3><em>#</em><em>study well</em><em>:-)</em></h3>
