Erin Is painting a block the shape of a square pyramid The length of one side of the base of the pyramid is 8 in the height of one side of the triangular sides of the pyramid is 12.3 in how much area does Erin need to cover with paint

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Find the value of x. give reasons to justify your solutions! h ∈ ig

How do you determine if an ordered pair is a solution to a given equation?