1.simplify -13x^2-7x-3x^2+2+9x 2.Use the distributive property to remove the parentheses.
Simplify your answer as much as possible. 3/2(3-6v)
3.Use the distributive property to remove the parentheses. -7(5u-x-3)
4. Evaluate the expression when m=-5 m^2+9m-6
5.Evaluate the expression when y=-2 y^2+5y+1

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The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

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.

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3