How to solve 5 (x+10) + 2x

At one time during 2001 for every 20 copies of Harry Potter and the Sorcerer's Stone that were sold 13.

The radius of circle L is 22 cm. What is the length of its diameter?

A lakeshore lot was describe in a real estate magazine.

Ann made a 33-step staircase using 1818 toothpicks as shown in the figure. How many toothpicks does she need to add to complete a 55-step staircase?

Find the second fifth and eleventh term. a (n) = - 3 + (n-1) (5)

Find all values of x such that sin 2x = sin x and 0 ≤ x ≤ 2π. (enter your answers as a comma-separated list.)

Which rectangular equation is equivalent to the polar equation r cos theta = - 2

How do I find the answer to 0.008 is 1/10 of

Write the following proportions using colons 7 is to 21 as 3 is to 9

With a tail wind, a plane traveled 840 miles in 3hrs. With the same wind as a head wind, the return trip took 30 minutes longer. Find the plane's airspeed (in still air) and the wind speed ... So lost smh