Yes, you are correct. The answer of 3*(-7) = -21
Answer:
13
Step-by-step explanation:
x² = 5²+12²
x² = 25+144
x² = 169
x² = 13²
x = 13
We have by distributivity of limits over sums, and continuity of
and
, that

Given
, it follows that

Answer:
=12x+y
Step-by-step explanation:
Combine like terms
=5x+-3y+7x+4y
=(5x+7x)+(-3y+4y)
=12x+y
2.6 and 2.4. they are the decimals next to 2.5