The border line of the linear inequality 3x + 7y> 10 is dotted.
a. true
b. false

What are the possible rational zeros of [tex]f(x) = x^4+2x^3-3x^2-4x+18[/tex]

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?