Samantha has a job delivering pizza for a local pizza place. She makes $42 each night, plus $3.50 for each pizza she delivers. Which equation can be used to find how many
pizzas Samantha must deliver in order to make $91 for the night?
(The options are in the picture)

42+3.50x=91

Step-by-step explanation:

3.50 times the amount of pizzas she delivered/x plus the total amount of money she earns at the end of the day/42 will equal 91.

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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b. 6

step-by-step explanation:

we are given the table representing an exponential function.

we can see from the table that, as x is increasing, the value of y is increasing in the power of 6.

i.e. the following relation is obtained,

x = 1, y = 6

x = 2, y = 36 =

x = 3, y = 216 =

x = 4, y = 1296 =

x = 5, y = 7776 =

so, the geometric series obtained is .

thus, the common ratio is given by = = 6.

hence, the common ratio is 6.