Which operation will change the value of any non zero number?
a. adding zero
b. multiplying by zero
c. multiplying by one
d. dividing by one

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.

Multiplying an even number of negative numbers gives an answer that is choose from:

Find the equation of a line whose slope is 2/5 and y- intercept is 2.write your answer in the form 1) ax+by+c=02) x/a+y/b=1