5x 3/10= multiply. write the product as a mixed number

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

The reflexive property of congruence lets you say that ∠pqr ≅

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?