Answer:
Step-by-step explanation:
the sum of 5x+20= 5(x+4)
and the opposite of 20 is negtive 20
I believe the answer is D
Answer:
no it is not an irrational number
Answer:
Area of a triangle is :
it's given that ;
base = 10 m
height = 16 cm
Therefore, the area of triangle is 80 m²
Step-by-step explanation:
