Brie and lisa want to find the area of this figure they agree to separate the figure as shown but they disagree about what to do next. Lisa want to add the areas of all four shapes in the figure. Brie wants to find the sum of the areas of one parallelogram and one triangle and then multiply that som by 2. Who is correct? Explain

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

Factor the monomial completely 42a3b3

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap