Answer:
7
Step-by-step explanation:
Remove parentheses.

Add −8 and 4.5.

Subtract 8.25 from 6.25.

Multiply 4 by −3.5.

Divide −14 by −2.
= 7
Answer:
2. X-intercept is 30
3. Y-intercept is 255
4. How long it took for elevator to go down.
5. How high up the elevator started.
I will let you do the rest ;)
Since 2 'not's cancel out, 16's contrapositive is 'If the light will go on, then the fuse has not blown'. In addition, the inverse would be 'If the fuse has not blown, then the light will go on'. I challenge you to do 20 using this information!
Answer:
9 white ribbons were awarded
Step-by-step explanation:
make white x
make blue b and make red r
b=x-1
r=x+3
w=x
add them up
x-1+x+3+x=29
x-1 +x+3 is 2x+2
2x+2+x=29
3x+2=29
subtract 2 on both sides
3x=27
divide by 2
x=9
Answer:
42km/h
Step-by-step explanation:
70km=100 minutes
7km= 10min
42km=60min
42km/h