How many different computer passwords are possible if each consists of 4 symbols, and if the first one must be a letter and the other 3 must be digits?

Find the measures of the angle formed by the hands of a clock at 10:37

What is 21 of 60 asa presentage?

David drove a distance (d) of 187 km, correct to 3 significant figures. He used 28 litres of petrol (p), correct to 2 significant figures.

What is 1.1 in scientific notation?

How many different elements does A * B have if A has m elements and B has n elements?

Name at least two Coastal features that are shaped by erosion and two costal features that are shaped by deposition

Why would someone choose to use a graphing calculator to solve a system of linear equations instead of graphing by hand? Explain your reasoning. (edge 2020)

x+y=2 y=-1/4 x^2 + 3 In two or more complete sentences, explain how to solve the system of equations algebraically. Solve the system of equations. In your final answer, include all of your work.

Which ordered pairs are in the solution set of the system of linear inequalities? y > x + 2 y < 2x + 3 (2, 2), (3, 1), (4, 2) (2, 2), (3, - 1), (4, 1) (2, 2), (1, - 2), (0, 2) (2, 2), (1, 2), (2, 0)

The length and width of a rectangle are measured as 45 cm and 24 cm, respectively, with an error in measurement of at most 0.1 cm in each. Use differentials to estimate the maximum error in the calculated area of the rectangle.