A student combined like terms to create the expression 15x + 39. What could the original expression have been? Choose all that apply.
A. (5x + 5x + x) + 39 + 5x
B. 5x + 13 + 5x + 26 + 5x
c. 3(5x + 39)
D. 3(5x + 13)
E. (3 · 5) + x + 39

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries

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 negative 3/9 times negative 2/8 ?