Wht is 126 times 64 wh op ever get it right first gets brainliest answer

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Me with geometry ! in this figure, bc is a perpendicular bisects of kj. dm is the angle bisects of bdj. what is the measure of bdm? •60° •90° •30° •45°