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?

Which of the following statements are true? The median is the arithmetic average of a data set. The median is the middle value of a data set when the data are ordered from least to greatest.

If two triangle share a side, are they congruent

4) Dan had 199 dollars to spend on 7 books. After buying them he had 17 dollars. How much did each book cost?

Given the function f (x) = - 5x^2-x+20 find f (3)

Write this trinomial i'm factored form. 5s^2-13s+6

Original grade 80 New grade 100 Find the percent of increase

What is the solution to the system of equations? Use the substitution method. j + k = 3 j - k = 7 A. The solution is (8, 1) B. The solution is (5, - 2) C. There is no solution. D. There are an infinite number of solutions.

What is the height of the cylinder in the diagram? Round your answer to the nearest whole number.

Safeway is selling cereal at $10 for 4 boxes. What is the cost per box?

the building is 1050 feet tall. sally built a scale model of the building. how tall is the model if she used the scale 1 centimeter=35 feet?