Answer:
f ( x ) = x² - 1
Step-by-step explanation:
hope this will help
7x-1+5x-23= 180
12x-24=180
12x=204
X=17
Answer:
b. 60
Step-by-step explanation:
We have been given a formula
, where x represents the number of small vehicles and y represents the number of larger vehicles.
To find the number of small vehicles, we will substitute
in the given equation as:






Therefore, 60 small vehicles were washed in total and option 'b' is the correct choice.
Answer:

Step-by-step explanation:
Plant food used on strawberry plants is

Plant food used on tomato plants is

Feeding the strawberry plants two times means

Feeding the tomato plants one more time means

The plant food he will need is 
Answer:
35
Step-by-step explanation:
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