Respuesta :

irjt

Answer:

z=15

Step-by-step explanation:

45 = 3z Because there are three z's, equal to one 45.

45 = 3z

z   = 15

Answer:

B. 45 = 3x

x = 15

Step-by-step explanation:

3 triangles worth "z" value each, is equal to 1 square equivalent to 45 in value. This means that 3z = 45. This means that z = 15, becuase, 3 * 15 = 45.