The vertex of this parabola is at (3, -2). When the x-value is 4, iS the yvalue is 3. What is the coefficient of the squared expression in the
parabola's equation?

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.

Which number completes the inequality? 2/3 < _ < 7/9

To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%