Mark is making meat loaf for his family. He buys 1.5 pounds of ground pork and 2.5 pounds of ground beef. Ground pork costs $4.30 per pound, and ground beef costs $3.80 per pound. How much does Mark spend in all on ground meat?

Evaluate the function , when d = {9, 15, 30}. r = {5, 7, 12} r = {6, 10, 15} r = {6, 10, 20} r = {5, 12, 20}

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?

What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+5