Sand castles
juan built a sand castle like the one shown. the castle is shaped like a rectangular prism with a rectangular pyramid on top. how much sand did it take juan to build it?

From the figure and statement provided, select the proper to prove statement. through a point outside a line one line can be drawn parallel to the line. mn= ab ab + bc= ac mis parallel to ! ab=bc als parallel to b

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20