Which equation has a constant of proportionality of 2?

Y=x+2
Y=x-2
Y=2x
Y=½x

The first five terms of a linear sequence are given below. 7 , 12 , 17, 22 , 27 , what is the next term of the sequence?

What expression is equivalent to (2x-1)(x-3)?

Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.