Mrs. Kvitova earns $78,000 annually. If her state income tax rate is 3.8%, how much does she owe per month for state income tax?

12 point are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr?

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)