Heidi tried to use Cavalieri's principle to show that the two figures have the same volume. "The base areas are the same. Therefore, corresponding cross-sections have the same area. The figures have the same height. So the volumes must be the same." what was the first mistake she made?

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.