Assume two terms of a sequence are u3 = 16 and u4 = 128. a. Find u2 and u5 if the sequence is arithmetic.
b. Find u2 and u5 if the sequence is geometric.

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.