Find the equation of the tangent line to the graph of f(a) = sec(a) at the point (0, 1).

Kayla has a $500 budget for the school party. she paid $150 for the decorations. food will cost $5.50 per student. what inequality represents the number of students, s, that can attend the party?

Which of the following represents the factorization of the trinomial below? x^2+7x-30

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?