Answer:
Infinitely Many Solutions
Step-by-step explanation:

I’m sorry I’m kinda confused on what you mean could you better say in the comments and I’ll also answer in there (:
Answer:
64 textbooks
Step-by-step explanation:
the first two teachers had 21 students each that's 21+21=42
the other teacher had 22 students so apparently all the textbooks handed to the students are,21+21+22=64
Answer:
sin 35* x/6550
hypotenuse is 6550
35* left to the right angle
x above right angle
Step-by-step explanation:
Got lucky