The distribution of the time it takes for different people to solve a certain crossword puzzle is strongly skewed to the right, with a mean of 30 minutes and a standard deviation of 15 minutes. the distribution of z-scores for those times is

Least common multiple of 72and40 step by step

18.79653 rounded to the nearest whole number is

Colin spends 3 4 of his wages on rent and 1 8 on food. If he makes £464 per week, how much money does he have left

A stew recipe calls for 3.75 pounds of meat. Jack wants to make 5 batches of stew. How many pounds of meat does he need?

If X times 4 equals 2 and two thirds what is X?

Sisters Rosey and Valerie specialize in two different triathlon events. Rosey finds that her average cycling speed is 7 mph faster than Valerie's average running speed. Rosey can cycle 32 miles in the same time that it takes Valerie to run 18 miles.

A restaurant charges $3.00 for a refillable cup. Tha refills are complementary.

Which of these is a possible mathematical description of the wave? Which of these is a possible mathematical description of the wave? Asin (2πft) cos (2πz/λ) Asin (2πft) sin (2πz/λ) Asin[2πf (t+z/v) ]Asin[2πf (t-z/v) ]

Alan found the value of the expression (15 - 6) 2 to be 189. Is he right? A) No, because first he should square 15 and 6. B) Yes, because first he should square 15 and 6. C) No, because first he should subtract 6 from 15.

What is 6/8 in the simplest form