On a scale drawing of a house, 1 inch represents 3.5 feet. if the kitchen has a dimensions of 3 inches by 2.5 inches on the scale drawing, what is the perimeter of the actual kitchen

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth