7. Solve the formula
I=E/R+r

a) For E
b) For r

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Rick is driving to his uncles house in greenville, which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120

What is the approximate value of  q  in the equation below? –1.613–1.5220.5853.079