(5x^7y^2)(-4x^4y^5)=-20x^a y^b
<span>-20 x^11 y^7 = -20 x^a y^b </span>
<span>a = 11, b = 7 thus a: is you answer</span>
Answer: k≤ - 11
explanation: move constant to the right handed side and change its sign, then calculate the differences, then you get that
Answer:
31
Step-by-step explanation:
Source: Google
B x H divided by 2 i think