How many solutions does the following system have?
y = 2/3x +3
- 2x + 3y = 9

Which expression is equivalent to 5r6141 2r+st6

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?