The unit circle has been drawn on the graph.
Plot all the points where the absolute value of cos θ is 1/2.

What is the value of x in the diagram below?

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

Which point is a solution to y s 4x + 5?