8. stephanie is a very good soccer player. she can kick a soccer ball with an initial velocity of 21.3 m/sec. the function that represents the height of the ball with respect to time is ℎ = −4.92 + 21.3. about how many seconds will it take for the ball to hit the ground?

Apine tree that is 140 feet tall is added to the sample. how will this outlier affect the shape of the box plot?

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!