Combine like terms to simplify the following polynomial. 5a2b + 7ab2 +9c+ 11a2b - 3ab2 - 90 ୨ OA) 16a2b + 4ab2 OB) 12a2b + 8ab? OC) 16a2b + 4ab2 + 18 D) 12a2b+8ab2 - c2

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?