Which statement explains why 49 is a perfect square? 49 can be multiplied by 49.

49 is equal to 7 plus 7

49 betweern 36 and 64

49 is equai to 7 times 7
On edge

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

Is there an x intercept in the equation 60*1.15^x

To start to solve the system of equations below, which number would you multiply in the equation -2x-5y=-1? the two equations are -2x-5y=-1 and 4x+2y=8