Yesterday, jed's bank account balance was –$26.34. he deposited some money into his account so that the balance is now $42.18.

how much did he deposit into his account?

a.
$15.84

b.
$16.84

c.
$68.42

d.
$68.52

Which of these choices show a pair of equivalent expressions?

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?