Solve 12 = 3/4n using the equation method

The music for Nadia's dance routine lasts for exactly 4 minutes. When Nadia dances her routine, she starts with her music and finishes 12 seconds before the music ends. What percent of the time the music is playing is Nadia dancing? and ...

Montell is 30 years younger than his mother. In five years, Montells age will be 1-3 of his mothers age. Find Montells mothers age now.

Given f (x) = x^2 + x - 2 and g (x) = 2x - 4, identify (f + g) (x).

Round. 7086 to thr nearst thousand

At a music festival, T-shirts are sold for $15 and sweatshirts are sold for $20. The festival organizers pay x dollars for each T-shirt and y dollars for each sweatshirt. The festival sells 53 T-shirts and 39 sweatshirts.

Write an algebraic Expression for three more cookies than are in the jar

Is x=-7 an equation that describes a function

Arnold's entire workout consisted of 10 minutes of warm up exercises 25 minutes of lifting weights and 15 minutes on the treadmill what was the ratio of the number of minutes he lifted weights to the total number of minutes of his entire workout

Lines a and b are perpendicular. The equation of line a is = 13+3 y = 1 3 x + 3. What is the equation of line b?

Which graph shows a dilation of the rectangle with a scale factor of? Rectangle with vertices: (negative 3, 0), (0, negative 3), (3, 0), and (0, 3). Rectangle with vertices: (negative 2, 0), (0, negative 2), (2, 0), and (0, 2).