The measures of two angles are and What is the value of x if these angles are congruent?

Witch represents the inverse of the function f(x)=1/4x-12

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs

Bocephus has a bag full of nickels and dimes. if there are 3 times as many dimes as nickels, and he has $\$36.05$ in his bag, how many nickels does he have?