It is in the air 5.625 seconds.
Using the quadratic formula,

0 is when the ball is first launched, 5.625 is when it hits the ground again.
Answer:
-4
Step-by-step explanation:
<u>Step 1: Combine</u>
Adding a negative number is same as subtracting a number.
-1.6 + (-2.4)
-1.6 - 2.4
-4
Answer: -4
Kayla sold 12 blue tshirts and 36 white tshirts
The table and the graph is shown in the following picture
Answer:
a)59.125, b)67.5, c)None
Step-by-step explanation:
Mean = All values added up and divided by the number of values

Median = Put all numbers in order from least to most and use the middle one, if there are two, use the mean of those two
. The middle ones are 60 & 75 so 
Mode = The number that repeats more times. In this case none of them repeat.