Two parallel forces of 40kg wt and 10 kg wt are acting at a distance 40 cms apart. Find their resultant if forces are unlike.​

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

Ineed me i stuck and i don’t want to get it wrong

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2