Pls help me For f(x) = 4x+1 and g(x) = x^2-5, find (f•g)(x).

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)