Mr. lu is twice georges age and kate is 2 years younger than george the sum total of their age is 46 how old is each person

Ihave a 69 and an 82. the 69 is worth 40% of my grade and the 82 is worth 15%. can someone tell me my current average grade.

Polynomial that can be factored as (3x-4)(3x+4)

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?