The Jones brother , Carl , Cameron , and Carlos , are painters . Together they can paint a standard sized room in 2 hours . If Carl is alone on the job he can paint the room in 5 hours . If Cameron is alone he can paint the room in 6 hours . (a ) What equation can be used to determine how long it would take Carlos to paint the room alone ?
(b ) How long would it take Carlos to paint the room alone ?​

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?

Secant be and cf intersect at point d inside a what is the measure of cde

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?