PLEASE HELP ILL GIVE BRAINLIST which expression is equvilent to 14x + 35 - 21 y

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?