Cassandra paid $52.80 in sales tax on a purchase of $844.80. What is the sales tax rate?

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

Which set of side lengths form a right side? a) 3ft,6ft,5ft b)50 in,48in,14in c)53m,48m,24m d)8cm,17cm,14cm

A. 530 ft^2 b. 500 ft^2 c. 470 ft^2 d. 450 ft^2