Answer:
Step-by-step explanation:
1022
Answer:
72
Step-by-step explanation:
3(20+4)=a0
60+12=a0
72=a0
im not quite sure what you want. I solved for a0. Plz tell me if this is correct. If its not, tell me what u need, then I will solve it for you.
Answer:
4
hours
Step-by-step explanation:
he was gone for 5 
hours, he spent 
an hour driving.
5 - = 4 hours at work.
Answer:
60
Step-by-step explanation:
you multiply 150*4 then divide that by 10 and that's your answer
Answer:
y=11
x=-4
Step-by-step explanation:
y =-x+7
2x-5y=-7
insert the first equation into the second like so...
2x+5x-35=-7
Now rearrange...
2x+5x=-7+35
Now solve...
7x=-28
x=-4
Now incert x in any equation...
y=4+7
y=11
