1. -3x+7-2[x+3]

2. 2x-4+3x-6

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.