Find the value of k if the line going through the points (k, k+1) and (3k,5k-3) is parallel to the line y=-2x-2

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

Let f(x)=2x and g(x)=2x. graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ?me asap

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