7x - 9 < 12
7x < 12 + 9
7x < 21
x < 21/7
x < 3
1/4x + 8 > 11
1/4x > 11 - 8
1/4x > 3
x > 3 * 4
x > 12
solution : x < 3 or x > 12
Sx is the standard deviation of the x values and sy is the standard deviation of the y values. If you can use a calculator put the values in list one and list two then do 1 variable stats on list 1 then again on list 2
P = k/V
84 = k/51
4,284 = k
P = 4,284 / 153
P = 28Pa
Hope I helped!
Step-by-step explanation:
she should tell the students that sleep less to get to their beds early, as the brain needs rest to function properly
There are 3000 meters in 3 kilometer. meaning that 1 kilometer is equal to 1000 meters