In these the triangles find the angles marked with letters. help me please no links direct answers with explanation​

Which is the product of 58 and 1,000? a. 0.058 b. 5,800 c. 58,000 d. 580,000

If 25% of y is 30, what is 60% of y?

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?