the daily cost of hiring a plumber, y, to work x hours on a repair project can be modeled usin a linear function. The plumber charges a fixed ost of $80 plus an additional cost of $45 per hour. The plumber works a maxium of 8 hours per day. For one day of work, what are the minimum and maximum values in the range for this situation

a

step-by-step explanation:

a

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour