Use a parametrization to express the area of the surface as a double integral. Then evaluate the integral. The lower portion cut from the sphere x squared plus y squared plus z squared equals 25x2+y2+z2=25 by the cone z equals StartFraction 3 Over StartRoot 3 EndRoot EndFraction StartRoot x squared plus y squared EndRootz= 3 3x2+y2

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth