Which expression represents the sum of (2x-5y) and (x+y)

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

Vikram is studying the square pyramid below. on st to find the surface area of the pyramid, in square inches, vikram wrote (33.2) (34 ikram wrote (33.2)(34.2)+43(34.2)(284) what error did vikram make? o he used the same expression for the area of all four lateral faces. he used the wrong expression to represent the area of the base of the pyramid. o he used the wrong value as the height when he found the area of the lateral faces. he used an expression for surface area that only finds the total area of three faces.

What is the measure of ba (the minor arc) in the diagram below?