Natasha is starting a house cleaning business. she purchased cleaning supplies and charged the same amount for each pool cleaned. -126 + 30x the expression represents the profit natasha has earned from cleaning houses. how much money does she charge to clean a house? 30? ?

Natasha charges $30 per house

Step-by-step explanation:

Profit =  -126 + 30x

The cost of the cleaning supplies is 126

and the cost per house is 30

x = the number of houses cleaned.

1/3

step-by-step explanation:

to find this, you can divide 12 by 4 which is 3 or you can multiply 4 until you reach 12 (4x3=12). both should give you 3, meaning theres three times less bananas than there are oranges.

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have