PLEASE HELP A teacher buys 4.75 ounces of s compound for an experiment. the compound costs $5.92 per ounce. the teacher pays with a 50 dollar bill. how much change does the teacher receive?

The police chief wants to know if the city’s african americans feel that the police are doing a good job. identify the management problem (i.e dependent variable) and identify the independent variable.

I'm marking the brainliest and it's 15 points

He trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? ? a) 42 cm2; 27 cm2; 69 cm 2 b) 54 cm2; 27 cm2; 81 cm 2 c) 108 cm2; 27 cm2; 135 cm 2 d) 108 cm2; 13.5 cm2; 121.5 cm 2