Two friends went to a restaurant and ordered one plain pizza and two sodas . their bill totaled $15.95. later that day, five friends went to the sane restaurant. they ordered three plain pizzas and each person had one soda. their bill totaled $45.90. write and solve a system of equations to determine the price of one plain pizza.

If rt is greater than ba, which statement must be true ?

Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,

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?