The vertices of a triangle are P(0,0), Q(6,0), and R(0,10). What is the area of triangle PQR?

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

Simplify the expression 10/11(22z) + (a+5) -1

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.