21.
the equation of a circle with center at (h,k) and radius r is
(x-h)²+(y-k)²=r²
so
(x-1)²+(y-2)²=5²
(x-1)²+(y-2)²=25
22.
the equation of a circle with center at (h,k) and radius r is
(x-h)²+(y-k)²=r²
so
(x-(-3))²+(y-5)²=2²
(x+3)²+(y-5)²=4
Answer:
is that a question?????????????
answer:2x + 7
Step-by-step explanation:
subtract polynomial 1 from the sum
Answer:
d
Step-by-step explanation: