Answer:
B
Step-by-step explanation:
1/2x - 2 > 0
collect like terms
1/2x > 0 + 2
1/2x > 2
Divide both sides by 1/2
x > 2 divided by 1/2
inverse of 1/2 is 2/1
x > 2 times 2/1
x > 4
Answer:
It's 4800, just multiply 60x80 bc the population is 80x larger than the sample of 100
Answer:
b
Step-by-step explanation:
72+28+66+81=297
360-297=63
She would need to score 63 on her last exam.
Answer:
9:6 27:18 and 81: 54
Step-by-step explanation:
