Set it up like a regular equation. I used:

As you can see, however, I inserted the "less than" symbol rather than the equal sign because values greater than a certain value can also equal "x". Solve it like a normal equation and you will arrive at:
<u>
</u>

This means that, as long as x is greater than 45, "6x" will be greater than "3x+135". Thus, if you bring 46 students, the Science Center will cost less.
Answer:
option 4
Step-by-step explanation:
Answer:
1.71
Step-by-step explanation:
by using definition of cos

Answer:
a=a
Step-by-step explanation:
i only know that one