Trevor bought a ski jacket, gloves and helmet on clearance for $242 altogether. The jacket cost $71 more than the cloves while the gloves cost $27 less than the helmet. How much did the jacket cost?

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

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality

X+ y = 5 ; x - y =3 solve using linear combination