This is a few questions that are confusing for me and I only have 22 points but if you help me and actually help instead of steal my points, I will give brainliest and 5 stars and a thanks on your answer and a thanks on your profile. Please help me.

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

Find the arc length of the semicircle. 7the grade

Taber invested money in an account where interest is compounded every year. he made no withdrawals or deposits. the function a(t)=525(1+0.05)^t represent the amount of money in the account after t years. how much money did taber origanally invested?