laura wrote a 3-digit number. she doubled it, added 150, divided by 100, and added 6. her final result was 10. what number did laura write?

The figure below shows rectangle abcd and the triangle eca on a coordinate plane. which of the following expressions represents the perimeter of triangle of triangle eca in units

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?