Answer:
Step-by-step explanation:
4×(-5)+4y=15 -> y= 35/4
Answer:
(x+2)⋅(x−3)
Step-by-step explanation:
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The standard equation of a circle with centre (xc,yc) and radius R is given by

Substituting
centre (xc,yc) = (4,-3)
R=2.5
The equation is therefore



or
(x-4)^2+(y+3)^2=6.25
Vertical angle are always congruent