Answer:
False
Step-by-step explanation:
Not at all, 7r and 5 aren't like terms since you can't combine them.
Answer:
3,1
Step-by-step explanation:
(3+6)= 9
times 1 would also be 9.
The answer is 132. 132 is the original price. 80$ x 65% = 52. 80 + 52 = 132. So 132 is answer and original price.
Answer:
the correct answer is 4 and 21

Differentiate both sides with respect to <em>x</em>, assuming <em>y</em> = <em>y</em>(<em>x</em>).




Solve for d<em>y</em>/d<em>x</em> :



If <em>y</em> ≠ 0, we can write

At the point (1, 1), the derivative is
