Answer:
1,2,4
Step-by-step explanation:
all are positive intergers
24 = 7x + 3
7x = 21
21/7 = 3, so:
x = 3
The number is 3
1. 500
2. 126
3. 615
Area of a parallelogram formula: A = bh
20 x 25 = 500
7 x 18 = 126
20.5 x 30 = 615