2x^4+x^3-x^2+8x^2+4x-4=2x^4+x^3+7x^2+4x-4
Answer:cut it in half, / that way and — that way, cut it straight down, |,
Step-by-step explanation: math
Answer: negative divided by negative is positive
Step-by-step explanation:
X is 90°
A triangles angles add up to 180° so
180 - 47 - 90 = y
180 - 137 = y
y = 43°
Answer:172.5
Step-by-step explanation:Xoxo