HELP!! Which Platonic solid has four faces that are equilateral triangles?

A. Hexahedron

B. Dodecahedron

C. Tetrahedron

D. Icosahedron

Describe how fraction strips can you order fractions

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.