8 yards is equal to 288 inches.
1 yard=36 inches
36x8=288
288 converted to yards=8
4-4=0
-4+3=-1
-2-5= -7
b) [0 -1 -7]<span />
Answer:
She did not separate her friends into different groups, and she didn't apply a treatment.
Step-by-step explanation:
Alice decides to ask 25 of her friends if they listen to music while they do their homework and what their grades are.
She finds that her friends who have high grades also listen to music while they do their homework.
She tells her parents that she has proven that listening to music while doing homework will cause her grades to improve.
First of all it cannot be proven like this way.
Secondly, she did not use a random sample, and did not separated her friends into groups and applied treatment.
So, the answer is She did not separate her friends into different groups, and she didn't apply a treatment.
Answer:
68 square meters
Step-by-step explanation:
The hexagon is made up of two trapezoids. Use the formula to find the area of each trapezoid then add those two areas together.
Area of a trapezoid (add the two bases together, multiply by the height then divide by 2):

Top trapezoid:

Bottom trapezoid (identical to the top trapezoid):

Add the areas together:
34 + 34 = 68
Answer:
its 40
Step-by-step explanation: