What is the derivative of (Sec x)/(Tan x + 1)
Please show working

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

597008.439431 to the nearest thousand

The slope of the line whose equation is y - 3 = 0 is 0 3 no slope