Can some body answer the 4 questions?

cuz number 1 is done!​

Which of the following transformations will always produce a congruent figure?

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24