Two circles that have l as a common internal tangent.

a. a and b
b. a and c
c. b and c

(note i put the graph in so plz )the graph shows the amount of water that remains in a barrel after it begins to leak. the variable x represents the number of days that have passed since the barrel was filled, and y represents the number of gallons of water that remain in the barrel. what is the slope of the line

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.