a scale has a percent error of 7%. the scale reads the mass of a book as 450 g. which statement describes what the actual mass of the book could be?

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Find the missing variable for a parallelogram: a = latex: 32in^2 32 i n 2 h = b = 6.3 in (1in=2.54cm)