Answer:
10v+-15y+5
Step-by-step explanation:
With distributive property, you multiply the number outside the parentheses to the numbers inside the parentheses separately then add them together and combine like terms.
The answer is 51 remainder 4 because 51* 4 =408 and 412 + 4 = 412
d
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c 15 square units
it is very easy
they are:
1. random
2. systematic
3. convenience
4. cluster
5. stratified
