How many 4 digit codes are possible if the first digit cannot be 0 and digits can be repeated?

If Dana makes 18 calls in 6 hours how many how many calls does she make in 1 hour

Find the missing factor x^2-7x-18 = (x-9)

What is the product of 29:790

The difference in the measures of two complementary angles is 12 degrees. find the measure of the angles?

The amount of money in Tara's account with respect to the day of the month was recorded for 31 days. The correlation coefficient was calculated to be r = - 0.9870. Interpret the meaning of the correlation coefficient in terms of the scenario.

Which of the following graphs matches the circle defined by this equation? (x - 3) ^ 2 + (y + 1) ^ 2 = 25

Using a graphing calculator to determine a quadratic function h (t) for the data?

How do I write 3 tens and 5 tenths as a decimal

1. A cube has edge length 5 inches. a. In the space at the right, draw a net for this cube and label its sides with measurements. b. What is the shape of each face? C. What is the area of each face? d. What is the surface area of this cube? e.

Which number, when rounded to the nearest whole number and to the nearest tenth, rounds to the same value? 1.63 5.46 4.95 2.12