13. A hotel rents a double-occupancy room for $20 more than a single- occupancy room. One night, the hotel took in $3115 after renting 15 double-occupancy rooms and 26 single-occupancy rooms. Write and solve a linear system to find the cost of renting a double- occupancy room and the cost of renting a single-occupancy room.

A: We need to write (59E)twelve in base 10. (It is given that face value of E is 11)

A: First we calculate 2^5.2^5= 2x2x2x2x2=32

A: Given that  2+4+6---------+70  To fidn the sum

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A: Given expression is:

A: Any number between 851 to 899

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A: First we will solve the integral by Riemann sum We know that ∫abfxdx=limn→∞∑i=1nfxi⋅Δx, where…

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A: The area of the washer is equal to the area of the outer disk minus the area of the inner disk.…

A: Find 66 to the nearest 100

A: Given revenue function: R(x)=-x2+8x

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