The answer is 9 I hope I am not late to this question sorry if I am wrong,
The product if a-3 and -2a^2+15a+6b^2 is: 
Step-by-step explanation:
In order to find the product of 2 expressions, distributive property can be used.
Given expressions are:
Product of given expressions
Combining like terms
Hence,
The product if a-3 and -2a^2+15a+6b^2 is:
Keywords: Expressions, product
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yes it is because prime numbers are 2 ,3 , 5 ,7
15 is the answer
5+7= 12
12-2= 10
10+5= 15
Hope this helps
Answer:
Theorem : Opposite sides of a parallelogram are congruent or equal.
Let us suppose a parallelogram ABCD.
Given: and (According to the definition of parallelogram)
We have to prove that: AB is congruent to CD and BC is congruent to AD.
Prove: let us take two triangles, and
In these two triangles, { By the definition of alternative interior angles}
Similarly,
And, AC=AC (common segment)
By ASA,
thus By the property of congruent triangle, we can say that corresponding sides of are also congruent.
Thus, AB is congruent to CD and BC is congruent to AD.
Step-by-step explanation:
