What is the value of the expression when x=-6 and y= -1/2
4(x^2+3)-2y

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)

Dots sells a total of 279 t-shirts ($2) and shorts ($4). in april total sales were $670. how many t-shirts and shorts did dots sell?