The difference between speeds, during the first 20 minutes and last 20 minutes, would be 4.3 miles. The key word here is difference which automatically tells us to subtract. In this case you would subtract 6.8 miles, the last 20 minutes, by 2.5 miles, the first 20 minutes. In the end, getting 4.3 miles. Hope this helps! :)
Answer: 2.81 s
Step-by-step explanation:
Given
Ball is kicked upward with velocity 
Height of the ball is given by the function 
Derivative of a function gives the maxima or minima at certain point

Thus, it takes ball 2.81 s to reach the top.
Answer:
Step-by-step explanation:
a) She uses 23 pages (but the last page has 2)
b) 2
c)Jane needs 82 more stickers because
50pages-23=27
27x3(stickers, befcuaase 3 stickers per page)=81
81+1=82 because on 23 page theres only 2 sticker
Hope this helps
Angle MKL—33+25=58
angle MKJ—180-58=122
Answer:
7
Step-by-step explanation: