What is the unknown value in the number sentence 8x k equals 16

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.

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?