How do i use a number line to find the indicated distance

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°