Answer:

Step-by-step explanation:
You need to subtract the coefficients to get the answer.
Let's look at the equation...

The coefficient is 3 and 1
So, you do 3-1
You get 2
So...
7/10 times 3/6 is 21/60 just multiply a cross
Answer:
b. 9
Step-by-step explanation:
36+97=133
80+44=124
133-124=9
Answer:
42 square yards
Step-by-step explanation:
T.S.A of cube

where l = 7yd

thus, the surface area of cube is 42 square yards
I think the answer to your question might be 6