Asecret code consists of 2 digits, followed by 2 letters, followed by 1 of the following symbols: #, %, and & . digits and letters cannot repeat. how many secret codes are possible? 168,480 175,500 182,520 195,000

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"

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?

Write a similarity statement for the similar triangles. afgh ~ a