The explicit rule for a sequence is given. an 4n - 1 What is the recursive rule for the sequence? O a1= 3; an = an-1 + 4
O a1 = 3; an = an-1 - 1
O a1 = 4; an = an-1 - 1
O a1 = -1; an = an-1 + 4​

What is the range of the data below? .8090100

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

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