Answer:
4x^2+3x-6
Step-by-step explanation:
Answer:
the answer is D. I just took the exam.
Step-by-step explanation:
That is a ratio. 7 x 3 = 21 and 13 x 3 = 39.
Answer:
4x+30, 1.875
Step-by-step explanation:
x+(x+30)+2x = 4x+30
4x+30=37.5
4x=7.5
x=1.875