Sophia has $20. she buys a hair band for $3.99, gum for $1.29, and a brush for $6.75. not including tax estimate how much change she should

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.

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

Which number completes the inequality? 2/3 < _ < 7/9