Iam an odd number. i am less than 100. the sum of my digits is 12. i am a multiple of 15. what number i am

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

Statements reasons 1. ab ≅ cd; ad ≅ bc 1. given 2. ac ≅ ac 2. reflexive property 3. △adc ≅ △cba 3. ? 4. ∠dac ≅ ∠bca; ∠acd ≅ ∠cab 4. cpctc 5. ∠dac and ∠bca are alt. int. ∠s; ∠acd and ∠cab are alt. int. ∠s 5. definition of alternate interior angles 6. ab ∥ cd; ad ∥ bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?

Find the inverse of the given function. f(x)= -1/2sqr x+3, x greater than or equal to -3