Calculate the sum of the first 30 terms in the sequence that begins with 70,65,60

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

Nikolas calculated the volume of the prism. his work is shown below.

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.