Answer:
54
Step-by-step explanation:
all you have to do is times 18 by 3
Please refer to the above attachment
Answer:
see the explanation
Step-by-step explanation:
we know that
A gross is equal to 120 ones or ten dozen
what is 15 tens - 1 gross
we know that
15 tens means ----> That you are adding 10, 15 times or multiplying 10 by 15, which gives you

1 gross means ---> That you are adding 10, 12 times or multiplying 10 by 12
which gives you

so
The algebraic expression of 15 tens - 1 gross is equal to

Convert to word expression
3 tens
Answer:
32cm^2
Step-by-step explanation:
the formula for the area of a trapezois is S=(10+6)/2*4=32