Answer:
AB = 9
Step-by-step explanation:
The perpendicular bisector divides Δ ABC into 2 congruent triangles, that is
Δ ABD ≅ Δ ACD , then
AB = AC = 9
Answer:
Each one is for 1.25 or around that if thats what youre asking I cant see it too well but if its correct you're welcome
Step-by-step explanation:
A litre is bigger than a millilitre.
Answer:
Area= 28.274 
Perimeter= 21.425 cm
Step-by-step explanation:
This is a quadrant.
Formula for area of a quadrant= 
Area= 
Area= 28.274 
Formula for perimeter of a quadrant= 
r=6cm
Perimeter= 
Perimeter= 21.425 cm
The previous year's salary is x.
This year's salary is x + 3000.
12% of this year's salary is $4200.
12% * (x + 3000) = 4200
0.12(x + 3000) = 4200
x + 3000 = 35,000
x = 32,000
Answer: Her salary in the previous year was $32,000.