The combined surface area of the two bases of a cylinder with height 2 in. is given by the function f(x) = 2πx2, where x is the radius, and the function g(x) = 4πx gives the surface area of the side of the cylinder. Which combined function gives the total surface area of the cylinder?
f + g
g − f
f − g
f · g

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Asap for seven months an ice creams vendor collects data showing the number of cones sold a day (c) and the degrees above 70 degrees f the vendor finds that there is a positive linear association between c and t that is the best modeled by this equation c=3.7t+98 which statement is true? the model predicts that the average number of cones sold in a day is 3.7 the model predicts that the average number of cones sold i a day is 98 a model predicts that for each additional degree that the high temperature is above 70 degres f the total of number of cones sold increases by 3.7 the model predicts for each additional degree that the high temperature is above 70 degrees f the total number of cones sold increasingly by 98

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?