Answer:
7x^2-x-14
Step-by-step explanation:
I'm not very good with word problems but if I am correct it is 660 minutes so about 11 hours?
Answer:
36 stamps
Step-by-step explanation:
150+78=228
228/2=114
150-114=36
One expression: 0.75 x 55
another expression: (100% - 25%) x 55