Dos o más términos algebraicos son semejantes si tiene igual coeficiente numérico, VERDADERO O FALSO no entiendo nada joderrr ayudaa

Given a(-12,5) and b(12,29) find the point that divides the line segment ab three-eighths of the way from a to b

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.