The probability that a student guesses the correct answer to a four-choice multiple-choice question is P(correct)=0.25. How many correct answers should a student expect to guess on a test with 48 four-choice multiple-choice questions?

costs the what? what is the cost of the pants?

step-by-step explanation:

if it is $10, then the price is 14.

take 40% of the cost, and then add the cost.

40% of 10 = 4

4+10 = 14.

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,

17

step-by-step explanation:

51/3=17

thus 17 is your answer.