Alex invested $10,000 in a lump sum for 20 years at the interest rate of 5%​

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).

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

On a piece of paper graft y+2> -3x-3 then determine which answer matches the graph you drew