Distribute the h:
h(h+4)
h*h + 4*h
h² + 4h
Hope this helps!
Start by finding 7% of the $23.20:

Now add this to $23.20:

Now, let's find 18% of this new total with tax to find the tip amount:

This is the tip amount. And finally, let's add this to the 24.824:

Not sure if you were given any instructions about rounding, but Ana's cost will be around $29.29.
Hope this helps.
Y-y(1) = m(x - x(1))
y - 1 = (-3/4)(x + 8)
4/6 - 2/3 = 2/2 which reduces to 1 WHOLE