Answer:
x = -1
Step-by-step explanation:
9x + 8 = -1
Subtract 8 from each side
9x + 8-8 = -1-8
9x = -9
Divide each side by 9
9x/9 = -9/9
x = -1
If those are the possible answers i'm pretty sure you need to have a group of numbers you extract the mean from for example form the numbers 56, 77, 65, 87, and 99 the mean of the numbers would be 77 so once i have those we can figure it out
First blank is 90 degrees and second blank is 2 cause it goes ab then your at c that's 2
Answer:
1 4/7
Step-by-step explanation:
It’s 8.9 because in a simpler way 8 is greater than 7