Is the hub premium worth it do you wanna do the glock glock 5000 on my big d

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters

P= price tax is 4% added to the price. which expression shows the total price including tax?