The answer is .4x because -3.4x+3.8x
So you're combining equations correct?
Answer:
10 centimeters
Step-by-step explanation:
Answer:
30.9 cm^2
Step-by-step explanation:
A=(3*2.6)/2+3*(3*6)/2=3.9+27=30.9 cm^2
Hi I did my working on paper. You can see it in the photo.