Plz help me I need help with this I'll give brainiest to CORRECT answer and the smartest answer

Find two numbers if their sum is 91 and the ratio is 6: 7?

In each diagram, line p is parallel to line f, and line t intersects lines p and f. based on the diagram, what is the value of x? ( provide explanation)

To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%