Answer:
9)x=135º
10)x=2 23º
11)x=2 122º
Step-by-step explanation:
15x-7=19x-15
-4x=-8
4x=8
x=2
54x+14=43x+36
11x=22
x=2
Answer:
This study uses a control group
This study uses a repeated measures design
Step-by-step explanation:
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Change 5% to a decimal which is 0.05
Then multiply 0.05 by 220 which is 11.
Answer:
If you divide both top and bottom of by 2, you get