A transformation rotates about the origin by an angle of $45^\circ$ counter-clockwise, then dilates (with center at the origin) by a factor of $\sqrt{2}.$ Find the matrix for this transformation.

Are carpet coast $15 per square metre. the total delivery charge is $21 peter buys n squared metres of carpet what is the expression which represents the total cost in $

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex