Answer:
(a) 
Step-by-step explanation:
Given
See attachment
Required
Which must be true
implies that:
The following sides are corresponding



The following angles are corresponding



From the given options, only option (a) is true because:

Answer:
x = 7 / 2
Step-by-step explanation:
5(2x - 9) + 3 = -7 ---------- subtract 3 from both sides
5(2x - 9) + 3 - 3 = -7 - 3
5(2x - 9) = -10 ------ divide both side by 5
2x - 9 = -2 ---------- add 9 to both sides
2x - 9 + 9 = -2 + 9
2x = 7
x = 7 / 2
Answer:
Step-by-step explanation:
Answer:
x=2
Step-by-step explanation:
x+(2x)^2=18