Ratio
1. mrs perry shares out 20 biscuits between gemma and zak in the ratio 1: 4. how many biscuits do they both get?
2. mr castle shares out 80 marbles beween emily and asif in the ratio 7: 1. how many marbles do they each get?
3. ms adams shares out 10 pencils between niamh and jack in the ratio 2: 3. how many do they each get?

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

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?

Acircle has a radius of 17. approximately what is the area of the circle