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

Subtract 5 + 5q - (3q - y)

Simplify the expression 3 (2y-8) - 2y (5-y)

Select the correct answer. If a line with a slope of - 2 crosses the y-axis at (0, 3), what is the equation of the line? A. y - 2x = 3 B. -2y + 3x = 1 C. y + 3x = 2 D. y + 2x = 3

Pool measuring 10 ft by 20 feet will have a cement walkway around it. The area covered by the pool and the cement walkway is 600 square feet. If the walkway must have a uniform width around the entire pool, what is the width of the walkway?

Solve the equation and check your answer. 3-5b+2b=-2-2 (1-b)

Graphing radical functions

How many different 4-digit personal identification numbers (PINs) can be made from the digit 0 through 9 if no digits repeat?

How is 1/2+1/4 solved differently than 1/2+1/3?

There were 12 people on the jury. Seven were women. Five of the jurors were over 50 years old. Three jurors were under 30 years old. How many jurors were men?

What is the y-intercept of the graph of y = 3x^2 - 6x - 8? -8 -6 1 3