Answer:
a-2
Step-by-step explanation:
3a+3-2a-5
like terms must be together hence
3a-2a=a
3-5=-2
ans ;a-2
Answer: 6s-3.3
Answer: 1,278
Step-by-step explanation: 2(18x18)+2 1/2(18x14)
p.e.m.d.a.s. 18x18= 324 18x14= 252
2x324= 648 2.5x252=630
648+630 =1,278
B. Isosceles triangle