Answer:
12.8
Step-by-step explanation:
4.8 x 2 = 9.6
9.6 + 3.2 =12.8
Answer:
210 cm^2
Step-by-step explanation:
Let, a=37 cm, b=35 cm, c= 12 cm
s=(a+b+c)/2 = 42 cm
Δ=
Δ= 
Δ=210 cm^2
Answer:
-3.4
Step-by-step explanation:
-26=10A+8
-26-8=10A
-34=10A
-34/10=A
-3.4=A
Answer:
-4x+8-15/x+2
Step-by-step explanation:
divide
-4x+8x+1/x+2
divide that
-4x+8+-15/x+2
simplify
-4x+8-15/x+2
First add three than minus two