Answer:
the first option that it shows you. i did the test i got 100
Step-by-step explanation:
Answer:
a
Step-by-step explanation:
Here the NULL hypothesis will be difference in weeks at which baby is delivered is zero between groups of women who were exposed to air pollution and group of women who were not exposed to air pollution
If two lines are perpendicular then they have slopes that are negative reciporacols of eachother.
If
then
Answer:
x = 53
Step-by-step explanation:
22 - 3 ( x - 70 ) = x + 20 Multiply out
22 - 3x + 210 = x + 20
22 + 210 - 3x = x + 20
232 - 3x = x + 20
232 - 3x + 3x = x + 3x + 20
232 = 4x + 20
232 - 20 = 4x + 20 - 20
212 = 4x
212/4 = 4x/4
212/4 = x
x = 53