Answer:
A: $45 for 3 days
B: c=d(15)
Step-by-step explanation:
A: If 105 is the cost for 7 days and we want to find the cost for only 3 we have to find the cost for one day to start with so, 105 divided by 7 which is $15 so its 15 dollars a day then you multiply 15 by the number of days we want (3) and you get $45.
Answer:
y=8
Step-by-step explanation:
12(3+y)=5(2y+8)
⇒36+12y = 10y+40
⇒12y-10y=40-36
⇒2y=16
⇒y=8
I dont know all of them bur i think question 6 is choice C
Answer:
4 is the real number in that complex number
Answer:B
Step-by-step explanation:
If the air is colder than the water you would have -2-9 because if you keep,Change and flip it it it is -2+-9 which is -11.