**Integers and Diophantine Equations Homework Help** 1) Can 120 be expressed as the sum of two positive integers, one of which is divisible by 11 and the other by 17?

2) The nickel slot of a pay phone will not accept coins. Can a call costing 95 cents be paid for exactly using only dimes and quarters? If so, in how many ways can it be done?

On an airplane there are two seats on the left side and three seats on the right side there are 90 seats o the right side of the plane

True or false? many triangular shapes can be circumscribed about a given circle

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).