The side panel of a skateboard ramp is trapezoid, as shown a. write an expression to find the amount of wood needed to build the two side panels of a skateboard ramp
b. how much wood is needed to build the two side panels of a skateboard ramp

What is the tychonic system? a. a model of the solar system in which all the planets (including earth) orbit the sun b. a model of the solar system in which the planets, moon, and sun orbit earth c. a model of the solar system where the planets orbit the sun, and this system orbits earth d. a model where all the planets and earth are fixed in space and only the sun and moon move e. a model that expands the system to a vast number of galaxies and star systems