A rectangular tank with length 50cm and width 30cm contains 36litres of water. A block is placed in the tank and the water level rises by 1cm. Show that it simplifies to x^2+5x-300=0

What is the range of the data below? .8090100

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)

What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?