Andy has 3r - 3 baseball cards. micah has 2r + 5 baseball cards. if r = 14 who has more baseball cards?

Which sentence describes why polygon mnop is congruent to polygon jklp? a. polygon jklp maps to polygon mnop through a translation. b. polygon jklp maps to polygon mnop through a rotation. c. polygon jklp maps to polygon mnop through a dilation. d. polygon jklp maps to polygon mnop through a stretch.

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

Asap! i need this done today and i really don’t understand it. some one ! will mark