I need help with these two question .-. / also happy Halloween :)

Answer:
7) 308 square yards
8) approx. 7.03 square inches
Step-by-step explanation:
7) length times width: 20 * 15 2/5 = 308
8) base times half height: (3 3/4 * 3 3/4) / 2 = 7 1/32 ≈ 7.03