7. There are 20 people in a singing group. The mean age of 12 of the membe
The mean age of the remaining 8 is 23 years. What is the mean age of the 2
the singing group?

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

Use the net as an aid to compute the surface area of the triangular prism. a) 550 m2 b) 614 m2 c) 670 m2 d) 790 m2

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?