Answer: Positive slope is C Undefined slope is D Negative slope is B and Zero slope is A
Step-by-step explanation:
D the mathematical work shown sbove is correct as written
The equation for density is:

To help you remember - my teacher told us to remember "We <span>♡ density," and the heart stands for </span>

, or

. Cheesy, but it works!<span>
</span>
Back to the problem:We know the mass if 49g and the volume is 7

, so plug these values into the equation for density:
Answer: The density is 7 g/
If the shaded region is the area inside the rectangle but outside the square, then the area is 121-25pi or 42.4602
Since the price is going down, it's going to be a percent decrease. Now to find the percent, we divide the "after" price by the "before" price.
240 / 320 = 0.75 = 75%
The item had a 75% decrease.