Otriplo de um número, menos 10 é igual ao próprio número mais 70. qual é esse número?

Can't gugys answer the ratio question. this is urgent the plans of a building is drawn toward scale of 1: 1000. kfc the foyer on the plans measures 62mm by 54mm, how large is the foyer in real life?

Two triangles can be formed with the given information. use the law of sines to solve the triangles. b = 49°, a = 16, b = 14

How do you write y-10=2 (x-8) in standard form