What is the measure of an interior angle in a regular polygon with 17 sides?

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.