Answer:iiikkkkkkkhuf76v76r 7
Step-by-step explanation:12345678910
I think the answer is 21. I’m not sure but if I remember it’s 40 + 20 = 60. 180 - 60 = 120 and then it’s a vertical angle which is equal so then it would be 120 + 39 = 159. Then 180 - 159 = 21. Sorry if this is wrong I haven’t done this in a while. Have a good day!
Answer:
um, i think its d
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Answer:
Mean is 84
Step-by-step explanation:
Answer:
(2a + 1)(a + 3) = 2a² + 7a + 3