The cost t, in hundreds of dollars, of tuition and fees at many community colleges can be approximated by upper t equals one half c plus 1 , where c is the number of credits for which a student registers. graph the equation and use the graph to estimate the cost of tuition and fees when a student registers for 2 three-credit courses.

idk i would have to be there to under stand it

step-by-step explanation:

idk i would have to be there to under stand it

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

to determine the unit cost your would divide the total cost by the number sold.

7 bagels for $4.41       $4.41/7 = $.63 each at fresh side

5 bagels for $3.60         $3.60/5 = $.72 each at value mart

answer: 4 (:

step-by-step explanation: