What is the mean of the set of numbers?

{–8, –4, –3, –11}

a.
–6.5

b.
–4.5

c.
4.5

d.
6.5

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?

Explain how you can use the associative property to evaluate (7x50)x4.

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?