A chemist estimated the volume of a solution in a test tube to be 30 ml. The actual volume of the solution was 28.1 ml. Find the absolute error and the percent error of the chemist's estimate. If necessary, round your answers to the nearest tenth.
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Match the term on the left with its image or description on the right. match term definition diameter a) circle a and a line segment connecting points b and c which are on the circle. circumference b) circle a and a line segment connecting points b and c which are on the circle. radius c) a piece of the circumference of a circle secant d) two circles that share the same center. concentric circles e) the distance around a circle arc f) a segment between two points on a circle that passes through its center

Which of the following is true for the relation f(x)=2x^2+1

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base