Encontrar el valor de K (k-1)x^(2)+2x+1=0

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?

Prove that quadrilateral is a rhombus.

What is fraction that is equivalent to 3/8