Answer:
9
Step-by-step explanation:
This means that 9/(9+72)=(3x-20)/(3x+36), or 1/9=(3x-20)/(3x+36). Cross-multiply to get that 27x-180=3x+36, so 24x=216, and x=9.
Answer:
37
Step-by-step explanation:

the absolute value is always positive. imagine it as "how much away from zero"
Answer:1. Dependent
2.Qualitative Variable
Step-by-step explanation:
Step 1--- Dependent
Reason-- The researcher considers a couple as a whole and The sampling is dependent because a spouce selected for one sample dictates or determines which individual to be in the second sample.
Step 2----Qualitative variable
Reason--- it classifies the individual spouce mental health based on mental health inventory of the couple
Because Qualitative variables are variables which can be placed according to characteristic or attribute, here the characteristics is mental health.
Answer:
for problem 1: -4 x -2 = -6
for problem 2: -8x +3 = -11x
Step-by-step explanation:
I hope it helped
brainlest please
Answer:
it is correct
Step-by-step explanation:
b/c 5a square - 25b square
= 5(a square - 5 b square )