42-30= 12, 12x42=504s until they change at the same time. 504-10= 494s from 10s ago
Answer:
84 Sq in
Step-by-step explanation:
area of the composite figure = Area of square + Area of triangle
<span>9 (p − 4) = 18
9p - 36 = 18
9p = 18 + 36
9p = 54
p = 54/9
p = 6</span>