Sure buddy! -4/9 + 1/2 is 1/8 in exact form. In decimal form it is 0.05 (bar notation over 5)
Answer:97 rods
Step-by-step explanation:
The number of steel rods for 95% confidence level


E=3

Substituting values


Thus 97 rods is tested
Answer:
Step-by-step explanation:
i don't see the thing you put it just shows the question
Answer:
For line n, m=1/2
Step-by-step explanation:
The line goes up 1 for every 2 to the right.