Answer:
scale factor = 4
Step-by-step explanation:
The scale factor is the ratio of OA' to OA , that is
scale factor = 
= 
= 
= 4
Answer:
x=2
Step-by-step explanation:
first, let's distribute.
3(x+1)-2=x+5
3x+3-2=x+5
then, let's combine like terms.
3x+1=x+5
now, we subtract x on both sides.
2x+1=5
subtract 1 on both sides.
2x=4
divide by 2 on both sides.
x=2
68%(plan to go to college) + 14%(plan to start working) = 82%
100% - 82% = 18% (<span>students don't know what they're going to do )
</span>
450 x 0.18 = 81
answer: 81 students <span>are not sure what they are going to do after graduating from high school</span>
Answer: -20 1/12
Step-by-step explanation:
-8 + -11 = -19
-3/4 + -1/3 = -1 and 1/12
so -19 + -1 and 1/12 = -20 and 1/12
