Mr. Jackson orders lunches to be delivered to his workplace for himself and some coworkers. The cost of each lunch is $6.25. There is also a one time delivery fee of $3.50 to deliver the lunches. What expression could Mr. Jackson use to find the cost of ordering n lunches? Part A:Write an expression to represent the cost of n lunches. Part B: Find the total cost of 5 lunches

$34.75

Step-by-step explanation:

n= 6.25x+3.50

n=6.25(5)+3.50

n=31.25+3.50

n=34.75

Step-by-step explanation:

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(n×6.25)+3.50 (A)

therefore, the cost of 5 lunches=

(5×6.25)+3.50=31.25+3.50=$34.75 (B)

Step-by-step explanation:

i think thats the answer, im not good at explaining, sorry

(0,-3) see attached graph

step-by-step explanation:

a. to solve the system, graph the two equations.

x = y+3 becomes y=x-3 has m=1/1 and b=-3. start at (0,-3) on the y-axis and plot a point. then move up 1 unit and 1 unit to the right. plot a point and connect.

y=-4x+3 has m =-4/1 and b=-3. start at (0,-3) on the y-axis and plot a point. then move down four units and to the right 1 unit. plot a point and connect.

the solution is the point (x,y) where the two lines intersect. by the graph below it is (0,-3).

b. to solve by substitution, substitute y = -4x-3 into x= y+3

x= (-4x-3) +3

x=-4x

5x=0

x=0

now substitute x = 0 back in to find y.

y= -4(0)-3

y=0-3

y=-3

solution is (0,-3)

c. use elimination by adding the equations together.

x-y=3

4x+y=-3

5x=0

x=0

then substitute into one equation to find y.

y=-4(0)-3

y=-3

a and c

step-by-step explanation: