Please help I’m not sure how to solve it

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

Type the correct answer in each box. use numerals instead of words. if necessary, use / fir the fraction bar(s). the graph represents the piecewise function: h