The temperature changed a total of 14° over the course of 7 hours with an average change of 2° per hour drop.
Answer:
-20
Step-by-step explanation:
x/5=3-7
x/5=-4
x=-4×5
x=-20
Answer:
36 gallons
Step-by-step explanation:
y = 4/5x
Let x = 45 minutes
y = 4/5 (45)
y = 36 gallons
Answer:
false
Step-by-step explanation:
x can be equal to 2 or -2 since square root of a number can't be negative