Solve -2x<8

a) x<4
b) x>4
c) x>-4
d) x<-4

Please explain to me how to work it out

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

Abe is a triangle. can you use the sss postulate or the sas postulate to prove triangle abc = triangle aed? by sss only neither apply both apply by sas only

In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq