Expressions cannot <u>be solved.
</u>Although they are similar to equations, you can solve an equation, but you cannot solve an expression. You can evaluate it, simplify it, and it can have many variables, however, an expression just exists, it is not a problem that has to be solved.<u>
</u>
Answer: the answer is 809
Step-by-step explanation:
Answer:
1. 54 and 9/20 km
2. 80 mm
3. 1.142 mi
4.0.83333 cm
Step-by-step explanation:
Do them all by the butterfly method.
Answer:
The answer is: 
Step-by-step explanation:
If we add the angles inside a triangle, we must have
. So we have an
angle and an
angle, their sum is
, so the missing angle must be 
It maybe be B if i am wrong i am sorry.