Answer:
Step-by-step explanation:
D
(1/40) - (1/x) = (1/60)
x = 1/(1/40) - (1/60)) =
<span>A.) 120</span> minutes
Its similar to the other question.
Answer:
x=-3 and the graph is A since x>-3
Step-by-step explanation:
area of a rectangle=l*w which is 40*14=560
area of a square=30^2=900
900+560=1460