How many triangles can a heptagon be divided into

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2