A jar contains only​ pennies, nickels,​ dimes, and quarters. There are 15 pennies, 28​dimes, and 25 quarters. The rest of the coins are nickels. There are 87 coins in all. How many of the coins are not​ nickels? If n represents the number of nickels in the​ jar, what equation could you use to find​ n? Plz, help on this fast!

Which of the following are accepted without proof in a logical system? check all that apply.

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Find the values of the variables in the kite