Step-by-step explanation:
![54 \frac{42 \sqrt{2 \sqrt[ \sqrt[2 \sqrt[22 \cot( \cot( \beta \cot(?) ) ) ]{?} ]{?} ]{?} } \times \frac{?}{?} }{?} \times \frac{?}{?} \times \frac{?}{?}](https://tex.z-dn.net/?f=54%20%5Cfrac%7B42%20%5Csqrt%7B2%20%5Csqrt%5B%20%5Csqrt%5B2%20%5Csqrt%5B22%20%5Ccot%28%20%5Ccot%28%20%5Cbeta%20%20%5Ccot%28%3F%29%20%29%20%29%20%5D%7B%3F%7D%20%5D%7B%3F%7D%20%5D%7B%3F%7D%20%7D%20%20%5Ctimes%20%5Cfrac%7B%3F%7D%7B%3F%7D%20%7D%7B%3F%7D%20%20%5Ctimes%20%5Cfrac%7B%3F%7D%7B%3F%7D%20%20%5Ctimes%20%5Cfrac%7B%3F%7D%7B%3F%7D%20)
Answer:
x² - 10x + 21
Step-by-step explanation:
the 3rd one
(x-3)(x-7)=0
Answer:
a and c I'm 99percent shure
Answer:
True
Step-by-step explanation:
The pages left = total pages - the pages read
(10b + 3) - (-2b +78)
10b + 2b + 3 - 78
12b - 75
The pages left is equal to 12b - 75
