How do I complete this math problem on borrowing money?

answer: 12   they all have at least 28 days

step-by-step explanation: haha

60: 45 =12: 9 =4: 3 so the answer is 4: 3

the answer is "add 2y and y"

step-by-step explanation:

you need to collect the like terms first.

the circumference of a circle is, 10.676 cm.

step-by-step explanation:

the formula for circumference of a circle is given by:

where

c is the circumference of a circle and

d is the diameter of a circle.

given: diameter(d) = 3.4 cm and use

substitute these values in [1] we get;

cm

therefore, the circumference of a circle is, 10.676 cm