The difference of two numbers is 4 and their sum is 12. What are these two numbers?

0.121212 as a fraction

Simplify sinx + cosx/cotx

Evaluate the expression. 9! - 5!

sarahs shipping and ryans mail services both ship packages. Sarah's trucks will only carry loads of 12 packages. In contrast, Ryans trucks will only carry loads of 18 packages.

Combine like terms 16*-4*=48

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).

The graph represents this system of equations. What is the solution to the system of equations? y=4 [x = 3 - 1 / 4X O (-2,4) 0 (3,4) O (4,-2) 0 (4,3) 3