John measures the mass of a 250-gram standard mass with a balance. John’s measure is 249.7 grams. What is the percent error of his balance? If he now measures a 1000-gram mass, what will the reading on the balance be?

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

The graph of f(x) = |x| is transformed to g(x) = |x + 11| - 7. on which interval is the function decreasing?

Question 9 of 10 2 points suppose your sat score is 1770. you look up the average sat scores for students admitted to your preferred colleges and find the list of scores below. based on your sat score of 1770, which average score below represents the college that would be your best option? o a. 1790 o b. 2130 o c. 2210 od. 1350