How many prime numbers are between 1 and 20?

Which of the following is not a rational number? 1.3. repeated, 3.1415 repeated, 5.25, 0.66 repeated?

What is difference between elimation and subtitution method?

An isocost line Question 7 options: 1) represents the combinations of w and K that cost the firm the same amount of money. 2) represents the combinations of K and L that cost the firm the same amount of money. 3) has a convex shape.

What do u add to 5 3/7 to make 7

On Silver Island, a palm tree, a giant rock, and a buried treasure form a triangle with a base of 100 yards and a height of 50 yards. On a map of the island, the three landmarks for a triangle with a base of 2 ft and a height of 1 ft.

3[ (5) / (-9) (6) / (-2) ]-2[ (0) / (-2) (2) / (-4) ]

Mary put in a total of 16 1/2 hours mowing lawns during 5 days the past week. How long was her average work day?

Which set of ordered pairs could be generated by an exponential function? (0, 0), (1, 1), (2, 8), (3, 27) (0, 1), (1, 2), (2, 5), (3, 10) (0, 0), (1, 3), (2, 6), (3, 9) (0, 1), (1, 3), (2, 9), (3, 27)

In 1940 the life expectancy at birth in the general public was 62.9 years. By 1980, it had risen to 73.7 years. Assuming a linear relation, which is the best prediction of life expectancy in the year 2000?

What the sum of the first seven terms 4,12,36,108