Can someone me with this answer which statement shows the associative property of addition? 7⋅(4⋅x)=(7⋅4)⋅x (d + 4) + 17 = 17 + (d + 4) (18 + 6) + y = 18 + (6 + y) 13 + 5a = 5a + 13

Which statement is not always true for a parallelogram? (a) opposite sides are congruent. (b) diagonals bisect each other. (c) it has 4 congruent angles. (d) consecutive angles are supplementary.

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two