Select the correct answer Jake solved an equation, as shown
Step
Statement
1
x + 7 = 16
2 30 + 7 + 7 = 15
3
4
5
Which statement is true?
OA Jake made a mistake in step 2.
OB, Jake made a mistake in step 4
C. Jake made a mistake in step 5.
OD Jake solved the equation correctly

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).

Ms. sutton recorded the word counts and scores of the top ten essays in a timed writing contest. the table shows her data. how does the word count of an essay relate to its score in the contest? word count tends to decrease as the score decreases. word count tends to increase as the score decreases. word count tends to remain constant as the score decreases. word count has no apparent relationship to the score of the essay.

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if