Anne had $9. then she saved $15 from her allowance and spent $2 on a comic book and $12 on a puzzle. how much money does anne have left?

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Alana has 12.5 cups of flour with which she is baking four loaves of raisin bread and one large pretzel. the pretzel requires 2.5 cups of flour to make. how much flour is in each loaf of raisin bread? explain the steps to follow to get the answer.