Which mathematical symbol would best fill in the blank to compare the two real numbers?

square root of 2 blank 1.8 repeating

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Measure of angles 31 (x+4) (3x+9) me

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap

Dots sells a total of 279 t-shirts ($2) and shorts ($4). in april total sales were $670. how many t-shirts and shorts did dots sell?