Answer:
2(9j+5) and 18j+10
Step-by-step explanation:
1) group like terms
2) distribute
please mark brainliest
5,580
Rectangle: 36x30x60=6480
Triangle: 1/2x15x20x6=900
6480-900=5,580
complete the pattern 1,2,4,8, 10 and 12 and 14