Music may people relax. john got two groups of people together. he took everybody's pulse of blood pressure. the one group to listen to soothing music while other group sat in silence. after the song was over, he measured everyone's pulse and blood pressure. what is the independent variable? what is the dependent variable? what are the constants or control variables?

so a parallelogram is just like a square base times height. multiply 40 and 39 to get 1560 inches.

a triangle is base times height divided by two. so multiply 7.9 and 5 and then divide it by 2 to get 19.75inches.

the kite can be split into two separate triangles and added together to get the total area. 30 x 4 /2 which equals 60. make sure to double it for the two triangles making 120.