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What is the graph of linear equation in two variables

Atherine designed a pendant. it is a regular hexagon set in a circle. suppose the opposite vertices are connected by line segments and meet at the center of the circle, what is the measure of each angle formed at the center? a. 22.5 b. 45 c. 60 d. 72

A. find the squares of the following binomials 1. (3x-2)² 2. (x-5)² 3. (5y+2)² 4. (3x+2y)² 5. (4x²-5y²)² 6. (x²y-5²) 7. (5x2y+3z²)² 8.(2pq-6xy)² 9. (8ab+7xy)² 10. (9mn²-spq)²