The length of a field is twice it's breadth. If the length is 30cm. Calculate the perimeter of the field.

Pink panda has $56.75 to spend today. she spends $13.45 on lunch, $16.32 on getting her nails done and $7.65 on cupcakes how much money does she have left

Two students sit in the first row. in the second, 2 student sit behind each of those students, and so on. how many students sit in the third row?

How to solve 45 45 90 triangle given hypotenuse?

Fred has 10 socks for every 5 pairs of shoes. If he has 20 socks how many pairs of shoes does he have?

8 divided by what equals 12?

12per cent of 23563412

I=/sqrt{-1}i = - 1 i, equals, square root of, minus, 1, end square root, what is the sum (7+3i) + (-8+9i) (7+3i) + (-8+9i) left parenthesis, 7, plus, 3, i, right parenthesis, plus, left parenthesis, minus, 8, plus, 9, i, right parenthesis?

Evaluate the exponential expression below. 3. (1+2) ² - 4²

Is (5+10) x=x (5+10) a distributive property

Is the number of statistics students now doing their homwork a discrete random variable or continious?