Lana is using a can opener to open a can of soup. Every time she twists the knob of the can opener, the can turns 36 degrees. How many times does Lana have to twist the knob of the can opener to make the can turn in a full circle? A. 10 Times. B 36 times. C.4 times. D. 360 times.

Suppose investors can earn a return of 2% per 6 months on a treasury note with 6 months remaining until maturity. the face value of the t-bill is $10,000. what price would you expect a 6-month maturity treasury bill to sell for? (round your answer to 2 decimal places. omit the "$" sign in your response.)

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.