81:9 = x:22
distribution of (1/n)\sum_{i=1}^{n} X_i, where X_i has Normal distribution N(\mu, 1)
-x\left(11y+13z\right)
limit of a function
4(3x)
-\left(2p-3q\right)
-3\left(-2r-9\right)
Joel works at the local pizza parlor. When he works overtime he earns 1ΒΌ times the normal rate. In a particular week, Joel worked ...