The slope of a line is -3 and the y-intercept is (0, 4). What is the equation of the line in slope-intercept form?

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.