Geoffrey thinks that the sum of 5x2y3+6x+7y and 8y+4x3y2+2xis 9x2y3+8x+15y. explain geoffrey's error, and find the correct sum.

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.

95.03 is the answer. hope this !

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of