Answer:
x = - 1/45.
Step-by-step explanation:
Answer:
....
Step-by-step explanation:
....
Answer:
every new hour, the previous amount of bacteria is multiplied by four.
Step-by-step explanation:
triangle area: 19cm×17.5cm÷2=166.25
square area: 19cm×19cm=361
all:361+166.25×4=1026