You can align the row tracks within a container vertically
a. if the row tracks are less than the width of the container
b. if the column tracks are less than the width of the container
c. if the row tracks are less than the height of the container
d. if the column tracks are less than the height of the container
d. if the column tracks are less than the height of the container
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Write a stub for the following function prototype:
``` double root( double a, double b, double c, int i); // Precondition: a != 0 and a, b, c are coefficients of // a quadratic equation a*x*x + b*x + c = 0 The value // of i is either +1 or -1 to choose which root. // Postcondition: return value, x, satisfies the // equation a*x*x + b*x + c = 0 ```
Assume Cylinder is a subtype of Circle. Analyze the following code:
``` Circle c = new Circle (5); Cylinder c = cy; ``` a. The code has a compile error. b. The code has a runtime error. c. The code is fine.
Which of the following is not a component of a digital certificate?
(a) The subject’s public key. (b) A serial number and expiration date. (c) The hash function used to encrypt the message (d) The signature of a trusted certification authority.
Use the rules of exponents to combine like bases and simplify the expressions:
