Help me please I need this

Select all the correct locations on the table. consider the following expression. 76.493 select "equivalent" or "not equivalent" to indicate whether the expression above is equivalent or not equivalent to the values or expressions in the last column equivalent not equivalent 343 equivalent not equivalent 49 78.498 78.498 75.493 equivalent not equivalent 75.7 equivalent not equivalent

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?

Asmall book publisher knows that 26 books weigh 41 lbs. how much do 40 books weigh?