Answer: tan(14x)
<u>Step-by-step explanation:</u>
Consider the Sum Formula for tan:

Answer: F. Students 1 and 4.
Step-by-step explanation: Students 1 and 4 because algebraic expressions do not have equal signs, and students 1 and 4 don't have equal signs, as equal signs can be found in algebraic <u>equations</u>.
2800 ÷ 400
Cross out 2 zeros from both numbers, then you have 28 ÷ 4 = 7
1. (2x + 3)(x + 1)
2. Prime
3. (4x - 1)(2x + 3)
4. Prime
5. (2x - 7)(x + 4)