For f(x) = 2x + 1 and g(x) = x^2 - 7, find (f+g)(x) a.) 2x^2 - 15 b.) 2x^3 - 6 c.) x^2 + 2x - 6 d.) x^2 + 2x + 8

(urgent ) use pi 3.14 to estimate the circumference of the circle to the nearest hundredth middle is 4in (urgent )

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?