The required distance covered is 90 units
<h3>Distance formula</h3>
The formula for calculating the distance between two points is expressed as shown:
The required coordinates missing are (0, 42.78) and (90.42.78). Substiute the coordinate into the formula:
Hence the required distance covered is 90 units
Learn more on distance formula here: brainly.com/question/1872885
Answer: the answer is 21
Step-by-step explanation:
Answer:
v = -3w
Step-by-step explanation:
water level/volume = -3 x weeks
v = -3w