X = y2 - 1

2x - y = 4

Which of the following equations could be the result of using substitution to solve the system?

2y² - y - 5 = 0

2y² - y - 6 = 0

2y² - 2y - 5 = 0

Two angles are complements if their sum is 90 degrees. The measure of one angle is one third the measure of its complement. Find the measurement of the smaller angle.

Round 1936 to three decimals place

Select the expressions that are equivalent to 4 (c-6). (c-6) 4 4c-24 ( - 6+c) 4 4 ( - 6+c)

Calculate the average rate of change of f (x) = x^2/4 - 5 for 3 ≤ x ≤ 5

Rewrite in simplest radical form x56x16

An air conditioning fan makes 125 revolutions per second, how many revolutions will it make if it runs for 30 minutes?

Which of the following expressions are factors of 25x^3-75x^2-9x+27? There may be more than one correct answer. Select all correct answers. a. 5x+3 b. x+3 c. x-3 d. x^2-3x+9 e. x^2+6x+9 f. 5x-3

N Florida, the number of alcohol-related traffic deaths increased in 2009 compared to 2008.

t is commonly assumed that babies are equally likely to come as either a boy or a girl. This is not true. Actually, about 51.3% of all babies are boys. If a family has two children (not twins), what is the probability they have one boy and one girl?

Which statement about the value of x is true?