Which polynomial is in standard form? 3 + x

x7 + 2x6 – 3x2 + 6x5 – 3x4 + 4x + 8

8a3 + 10a – 12a2

–2x6 + x5 – 3x4 + 7x3 – 2x2 + 3x +1

The table above shows approximate conversions from gallons to liters. what is the value of x?

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212