Answer:
2.7 x 5.2 = 14.04
Step-by-step explanation:
Well u do 31.2 x 18 which is 561.6 then u divide by 2 because the formula for a triangle is base x height divided by 2 so It is 280.8
C is the answer because there is no variable for X which without it would make a horizontal line.
1. 21j-26+4j=21+6-2j
2. 25j-26=27-2j
3. 27j=53
4. j=53/27
hope this helps!!