Arecipe calls for 8 oz of raisins. the raisins come 100-gram packages. how many packages do you need to buy? (1 oz is about 28.4 grams)

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

Anyone know? will mark brainliest if you're correct!

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]