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what is the general form of the equation of a circle with center at (a, b) and radius of length m?
a. x2 + y2 - 2ax – 2y + (a+ b2 - m2) = 0
'b.
x2 + y2 + 2ax + 2by + (a2 +62 – m2) = 0
c. x2 + y2 - 2ax - 2by + (a + b - m2) = 0
x2 + y2 + 2ax + 2by + a2 + b2 = -m2
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Indicate the formula for the following conditions: p^c(n, r)=

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?

Find the amplitude of a sinusoidal function that models this temperature variation