The Freshman class is selling sweatshirts and t-shirts for spirit week. They sold a total of 75 sweatshirts and t-shirts. 17 more t-shirts were sold than sweatshirts. If the sweatshirts
cost $20 and the t-shirts cost $10, how much money did the class make?

Which math sentence can be used to determine if the triangle is a right triangle?

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?

1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?