The green line circles the station every 9 minutes. the red live circles the station every 6 minutes. if they leave the station together, how long will it be until the next time that they leave the station together again?

explain

a) 15 minutes

b) 18 minutes

c) 36 minutes

d) 54 minutes

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?

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad