Answer:
D-70
Step-by-step explanation:
It is a combination C(8,4)
Answer:
This is false. Lines will be congruent if they have the same length, which is not the case in all situations.
They would go around the multiplication so it should look like 7+(9 x 3) -1=25
195 is the answer because you replace x with 10
Step-by-step explanation:
825-630=195
30 divided by 3. Their are 3 sets of ten by 30 positives