I NEED HELP! The surface area of a triangle is base times height. True or False?

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.