A Jar contains n nickels and d dimes. There are 22 coins in the jar, and the total value of the coins is $1.55. How many nickels and how many dimes are in the jar? (Hint: Nickels are worth $0.05 and dimes are worth
$0.10.)
There are
nickels and
dimes in the jar.

Which system of linear inequalities is represented by the graph?

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?