Philip ordered 15 small bookcases with 3 shelves each and 13 large bookcases with 5 shelves each. How many total shelves did Philip order

110

Step-by-step explanation:

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110

Step-by-step explanation:

15 x 3 + 13 x 5 = 110

the slope of the line is 60

one point on the line is (40,10)

step-by-step explanation:

in the equation outside the parenthesis the equation always tells you the slope. in this case it is 60.

in the parenthesis is also says 40 which is x because it is near the x and 10 is y because it is near y.

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm