Answer:
The answer for 18 is 175 (use khan academy)
Step-by-step explanation: base1 + base2 (times) height divided by 2
My calculator said the answer was -6
Answer: x = 0.41092426, 4.5252265
Solution: x = 1
x - 0 = 2x + 4x - 5
combine the liked terms: x = 6x - 5
subtract 6x from both sides of the equation and you get x = 1
