Kayla charges 8.50 per hour when she babysits. write and solve an eqaution to find out how many hours she needs to work to earn 225

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 an equation of a line in slope intercept form that is perpendicular to the line 2x -3y = 12 and passes through the point (2, 6).

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.