The number of combinations of 10 different things taken 4 at a time is:

The answer is: 210
I really hope this helps this is what my teacher said to do in the type of problem
Answer:
The correct answer would be D. 6th degree
Step-by-step explanation:
To find the degree of any polynomial, find the highest value of an exponent. In this case, the 10x^6 has the highest exponent, which is 6.
Answer:
His test IS a solution.
Step-by-step explanation:
Both LHS and RHS are equal so it is a solution.
The estimated lengths are 12in. and 5 in. This would be an estimated difference of 7in.
The estimated difference is going to be higher than the actual difference because in rounding 11.7 to 12, you are losing .30in, but in rounding down 5.25 to 5, you are actually gaining .75in.
The ACTUAL difference is 6.45in