When two full moons appear in the same month, the second full moon is called a blue moon. On average, 2 blue moons occur every 5 years. Setup a proportion and find the number of blue moons that are likely to occur in the next 25 years.

Which statement shows that 6.24 is a rational number? a. 6.24 = 6.242424 b. 6.24 = 6.24 c. 6.24 = 68⁄33 d. 6.24 = 66⁄25

4. (10.03 mc) the equation of line cd is y = −2x − 2. write an equation of a line parallel to line cd in slope-intercept form that contains point (4, 5). (4 points) y = −2x + 13 y = negative 1 over 2 x + 7 y = negative 1 over 2 x + 3 − 2x − 3

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)