Use interval notation to represent all values of x satisfying the given conditions. y=6 -(x + 7) + 2x and y is at least 4.

Use the graph of the sine function y=2sinθ shown below

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !