Answer:
a= -1
Step-by-step explanation:
b= -16
Answer:vertex (-2,-12) and the equation y
=
2
x
^2
+
8
x
−
4
Step-by-step explanation:
Answer:
m∠ABD = 126°
Step-by-step explanation:
if both angles make a linear pair then their sum equals to 180°
you can solve for x
m∠ABD + m∠CBD = 180
6x-12 + x+31= 180
7x + 19 = 180
7x = 161
x=23; now solve for
m∠ABD = 6x - 12 = 6(23) - 12 = 126°
Rs 200 since the questions states that if he sold it for 10 more, he would have gained 5%, 10=5% 1%=2 100%=200