Suppose a varies jointly as b and c. Find a when b= 4 and c= -4 a= -60 when b= -5 and c= 4

Simply 8x squared + 5(7x squared- x) - 2x =

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

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?