Sally is baking 550 cookies for a bake sale. she is putting 5 cookies in a bag and selling each for 3.00 each. if she sales all her cookies how much will she make?

Plz hurry evaluate the expression a+b where a=8 and b=19

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?

What is the value of x? enter your answer in the box.