Answer:
vbnvbnvbnvnvbnvbnvbnvbn
Step-by-step explanation:
vbnvbnvbnvbnvbn vbn v
if you meant x^2+9x+20 then it is (x+4)(x+5) you know that because 4+5=9 and 4x5=20 using FOIL
Answer:
t=-2
Step-by-step explanation:
(t+9)20=140
Distribute the 20
20t +180 = 140
Subtract 180 from each side
20t +180-180 = 140-180
20t = -40
Divide by 20
20t/20 = -40/20
t=-2
x =14
Answer:
Step-by-step explanation:
11. By inscribed angle theorem:
12. Again by inscribed angle theorem:
I took a test on this yesterday and all i know is the answer is either 81 117 or 162