Angela has a $49 store credit at an online store. She wants to buy a pair
of skates that cost $55. What will her
account balance be when she adds
the skates to her cart?
49 - 55 = [?]

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3