What is the value of 2x + 3y when x = 5 and y = 2?
A. 6
B. 7
C. 12
D. 16
E. 19

What is the solution to the equation 9^(x+1) =27

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

You are saving to buy a bicycle; so far you save 55.00. the bicycle costs 199.00. you earn 9.00 per hour at your job. which inequality represents the possible number of h hours you need to work to buy the bicycle?