What is the circumference of a circle if d = 7 feet? Use 3.14 for π 43.98 feet

18.85 feet

47.12 feet

21.98 feet

What is the solution to the equation 9^(x+1) =27

1. are the triangles similar and if so why? what is the value of x? show your work.

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.