Louis Poinsot established the patterns for the icosahedron and the dodecahedron in 1809. Besides really long words, what are they?

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Can someone me do math because i am having a breakdown rn because i don’t get it

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?