Which is the adverb phrase in the sentence?

now patricia, in jeans and a plaid shirt, rides above the rangeland of eastern oregon.

a.
above the rangeland

b.
in jeans and a plaid shirt

c.
of eastern oregon

And adverb tells you how the verb is done. So for this example I would say in jeans and a plaid shirt because this tells us how Patricia rides above the rangeland of eastern Oregon :)

The slope of a linear equation is equal to the change in the value of the dependent variable divided by the change in the value of the independent variable. in this problem, the dependent variable is the profit while the independent variable is the worker's average pay. if the profit is said to increase by 1500 when worker's average pay decrease by 450, the slope is equal to 1500/(-450)=-3.33