PLS HURRYThe dot plot shows the number of times students in Mr. Martin’s sixth–grade class went to the amusement park this summer. How many students visited the amusement park 4 times?
1 student
2 students
3 students
4 students

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).

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.