Perform matrix subtraction to find the values of w,
x, y, and z.

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

Which of the following is the result of expanding the series

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?