Damage to the brain with alzheimer’s disease occurs in the neuron forest of the cerebral cortex true or false

If (a, b) is the solution to the system of equations shown above, and a and b are integers, then what is the value of a+b?

The occupational safety and health administration requires employers to provide fall protection to construction workers who are working on surfaces with unprotected sides and edges feet or greater above the lower level.

Abox contains 40 number tiles numbered 1 to 40. if a tile is drawn at random, what is the probability that the number drawn is a multiple of 3 or 4? find p(multiple of 4 or multiple of 5)