30% of 42 is 12.6$.
42-12.6 = 29.4$ is the price of the pair with discount applied.
Tax 7%
29.4 * 7% = 2.06
29.4$ + 2.06$ = 31.46 $ final price with discount and tax applied.
Answer:
y=-93
Step-by-step explanation:
You just substitute 10 for x
y=-7(10)-23
y=-70-23
y=-93
Answer:
Lorena made a mistake when she subtracted x1 from x2
Step-by-step explanation:
we know that
The formula to calculate the slope between two points is equal to
In this problem we have
The points are
and 
therefore
Lorena made a mistake when she subtracted x1 from x2
Easy all you have to do is find out the latest! It is 224. Hope that helps
(3x + 2y)³
(3x + 2y)(3x + 2y)(3x + 2y)
27x³ + 18x²y + 18x²y + 12xy² + 18x²y + 12xy² + 12xy² + 8y³
27x³ + 54x²y + 36xy² + 8y³