The measure of angle E is 18 degrees more than the measure of angle F. If the sum of the measures of the two angles is 96 degrees, find the measure of each angle.

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).

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction