Nuts. com sells raw almonds for $10 per pound and roasted pistachios for $12 per pound. christopher spends $70, before taxes and shipping, to purchase 6.3 total pounds of nuts. let a represent the number of pounds of almonds and let p represent the number of pounds of pistachios. which system of equations represents the situation?
question 1 options:

{10a+p=70
a+70p=6.3

{10a+12p=70
a+p=6.3

{10a+12p=6.3
a+p=70

{10a+12p=70
10a+12p=6.3

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

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?