Solve 12x + 11 = 10
{9/2, 11/2)
(-9/2, 9/2)
(-11/2, 9/2)

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.