1. X = \frac{35}{4}+\frac{\left( -3\right) \ Y}{4}+\frac{z}{2}$$
Answer:
b.obtuse
Step-by-step explanation:
if it is obtuse it has 1 angle over 90° and two angles under 90°
Let the width =x
length = 6x
p=14x
28=14x
x=2
Answer:
a-3b+4
Step-by-step explanation:
1/2 (2a−6b+8) =
=1/2*2a-1/2*6b+1/2*8
=a-3b+4
