Write and solve an equation to determine the width w of the flag[9.5ft]The length of an American flat is 1.9 times its widthEquation =9.5The width of the flag is feet.

A city water department is proposing the construction of a new water pipe, as shown. The new pipe will be perpendicular to the old pipe. Write an equation that represents the new pipe.

The function ${\displaystyle y=3.5x+2.8}$ represents the cost y (in dollars) of a taxi ride of x miles.
a. Identify the independent and dependent variables.
b. You have enough money to travel at most 20 miles in the taxi. Find the domain and range of the function.

What is the correct first step to slove this system of equations 4x-3y=-10
2x+3y=4

Information on the sum ${\displaystyle \sum _{n=1}^{\mathrm{\infty }}=\frac{\log n}{n!}}$

Simplify expression using the properties of logarithms.
${\displaystyle 3{\log }_4{r}^2-2{\log }_{4}r}$

How do you foil ${\displaystyle {(x-1)}^2?}$

Factor each polynomial.
${\displaystyle 27y^9+125z^6}$