Find an equation for the nth term of the arithmetic sequence. a19 = -58, a21 = -164

a.) an = 896 - 53(n - 2)
b.) an = 896 - 53(n - 1)
c.) an = 896 + 53(n + 1)
d.) an = 896 - 53(n + 1)

Design a number line containing five (5) points2.benin, one of the smallest countries in africa, has a total area of 43,475 square miles. the population of the country was recently estimated at 10,160,555. about 3,657,790 people live in rural areas. the country has only about 870 miles of surfaced roads. a. round off the total population to the nearest hundred thousand people. b. round off benin’s area in square miles to the nearest thousand. c. round off the number of miles of surfaced roads to the nearest ten. d. round off the number of people who live in rural areas to the nearest million.

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.