You and your friend are selling magazine subscriptions for a fundraiser. After tu weeks, you have sold (2w +9) subscriptions and your friend has sold (6w+ 3) subscriptions
a. Write an expression in simplest form that represents the difference between the number of subscriptions your friend has sold and the number you
have sold
An expression is
b. After 9 weeks, your friend has sold more subscriptions than you

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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.

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)