Answer:
312 784
Step-by-step explanation:
if u need this answer, take
126 because if you multiple 21 and 6 it’s gives you 126
make a graph and put the weeks and the change wich is -20 a day until the end of the four weeks
:every week 4 the city gets -20 degrees celsius colder. This means that every 4 weeks the tempature decreases then goes bac kto its origonal
Substitute the x with 5
-(5)2 + 4(5) - 10 = 0
B. she should buy 14 yards of fabric,because 14×3=42 so there is your 42 feet.