Luna chose a card at random from a standard deck of 52 cards. what is the probability that she chose a spade grater than 10 (j, q,k, a) answers a. 4 b. 1/2 c. 4/13 d.1/13

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq