Do tessellations have to be polygons? which of the following is not a condition for a tessellation? the shape or shapes must be repeated. the shapes must not overlap. there can be no gaps. the shapes must be polygons.

Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square