Can someone help me please

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

Find measure angle 1 and measure angle 3 in the kite the diagram is not drawn on the scale