Pieces of paper with each letter of the alphabet are placed into a jar and drawn at random 4 times, with replacement. find the probability that a vowel is drawn at least once given that there are 5 vowels in the alphabet. round your answer to two decimal places.

When a formula is solved for a particular variable, several different equivalent forms may be possible. if we solved a=1/2bh for h, one possible correct answer is h=2a/b . which one of the following is not equivalent to this? a. h= 2(a/b) b. h= 2a(1/b) c. h= a/1/2b d. h= 1/2a/b

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?