What would you call the chart listed below? It is also called the foundation of mathematical understanding.

counting greater than/less than adding subtracting
a.
calculus
c.
calculative
b.
trigonometry
d.
number sense

Please select the best answer from the choices provided

A
B
C
D

Factor this polynomial completely x^2-64

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Areflection of shape i across the y-axis, followed by a , and then a translation left 6 units and down 4 units confirms congruence between shape i and shape ii. alternatively, a of shape ii about the origin, followed by a reflection across the y-axis, and then a translation right 4 units and up 6 units confirms congruence between shape ii and shape i.