The students that are correct are Jake , and Liu because 51, and 21 are composite.
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Answer:
(-1,9)
Step-by-step explanation:
union contains both sets.
A=90 degrees divide by 5
=18 degrees
2c+a=90
2c+18=90
2c=90-18
2c=72
divide each side by 2
c=36
therefore:
2c=72
b=4a+c
b=4(18)+36
b=72+36
b=108
B = √(14² - 9²) = √(196-81) = √115 ≈ 10.7 units
Answer:
an irrational number
Step-by-step explanation:
