Each cube has one centimeter side what is the value of the model and there is nine cubes if you want to me you and if you don't don't follow me

Which matrix can be multiplied to the left of a vector matrix to get a new vector matrix ?

Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)