How many solutions does the following system have? y=2x-3
y+2x=4

Is it possible for a system of inequalities to have no solutions?

Given the graph below state whether or not the relation is a function, and give the domain and range.

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days