Answer:
Step-by-step explanation:
A = 8(14) - 9(8 - 4) = 76 m²
Answer:
C ) exponential : y = 100 * 0.79^x
Step-by-step explanation:
Answer: 120 cm.
Step-by-step explanation: Each triangle has 3 sides, and each side is 1 cm. Multiply the number of sides for one triangle by the total number of triangles. 3 x 40=120. The perimeter is 120 cm.