Answer:
<h2>2</h2>
Step-by-step explanation:


Answer:
r= -sec(θ) x ∛2
θ=0
Step-by-step explanation:
Answer:
30 POINTS
Step-by-step explanation:
Answer:
The speed is 16 kilometers per hour.
The cyclist will travel 80 kilometers in 5 hours.
Answer: 640
Step-by-step explanation:
The scale factor is 20/5=4, so the ratio of the areas is the square of this, or 16.
Thus, the area of ABCD is 40(16)=640.