Evaluate 2x + 4 if x=5. Please help me I will give your 5 stars !!!

Which of those sequences is a geometric sequence

Given that abcd is a rhombus, what is the value of x?

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