If 1 out of 12 students at a school share a locker how many share a locker in a school of 456 students

Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.

Daniel expanded the expression as shown below -2(-8x-4y+3/4)=-10x-8y-11/4 what errors did he make? check all that apply

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?