Aprime number is always greater than 1 ?

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

Піf x = y and y= z, which statement must be true? оа. -x = -2 b. x= z ос. —x = 2 od. 2= x

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3