Balancing Equations. 2+3=4+___

4+5=___+7

3+6=9+___

5+___=8+4

__+2=6+3

5+5=___+6

7+__=4+4

3+9=10+___

___+1=7+0

8+5=___+9

What is the measure of angle afe? 79 81 91 99

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?