Two planes, which are 1880 miles apart, fly toward each other. Their speeds differ by 40mph. If they pass each other in 2 hours, what is the speed of each?

How can you solve an equation with a variable on both sides? complete the explanation. you can solve the equation by using *(blank)* operations to get the variable terms on one side of the equal sign and the constant terms on the *(blank)* side. then *(blank)* both sides by the coefficient of the resulting variable term.

Which is the graph of the piecewise function f(x)? f(x)=[tex]f(x) = \left \{ {{-x+1, x\leq 0 } \atop {x+1, x\ \textgreater \ 0}} \right.[/tex]

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)