Which radical of 13, - 11, -26, and V-11 is not a real number? Choose the correct answer below.
0 V3
- V11
31-26
O
V-11

(Answer quickly)

Which of the following is true for the relation f(x)=2x^2+1

An alternative to car buying is to make monthly payments for a period of time, and then return the vehicle to the dealer, or purchase it. this is called

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?