How to do a 30,45, and 105 degrees triangle

How do i find the measure of an interior angle of a regular polygon with 12 sides

A statement that is proved by deductive logic is called a

In a particular class of 32 students, 18 are men. What fraction of the students in the class are men?

Racheals medical chart says that she is 56 in tall given that 1 in = 2.54cm what is racheals height to the nearest whole centimeter? A) 22cm B) 59cm C) 142cm D) 143cm

How to rewrite subtraction as addition

The sum of three numbers is 185 The second number is 5 times the first. The third number is 13 less than the second. What is the second number?

Based on the generalization in (a) , find the sum of the sequence 9+27+45+6 ... + 117

After n years, the amount of money in William's saving account can be modeled by the function s (n) = 300 (1.0016) 12n, and the amount of money hiding in his desk drawer can be modeled by the function d (n) = 75.

Find the supplement of a 55° angle, in degrees.

Thomas rents a car for his vacation. the mileage included with the rental is 54 miles. For every mile he drives over 54 miles, he needs to pay $1 4/5. If he drives 69 miles, how much extra does he need to pay?