The table shows exam scores of students who watched a certain number of hours of television per week:
hours of tv 1 2 3 4 5 6 7 8 9 10
exam score 98 96 95 94 90 85 81 80 75 72
calculate the correlation coefficient.
-0.99 -0.89 -0.79 -0.69

The triangles are similar. what is the value of x? x=

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply