Let p={6,7,8,9,10}, q={7,8,9}, and r={3,4} find p∪q a. {3,4} b. {7,8,9} c. {6,7,8,9,10} d. ø empty set

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)

Me d is also an option but i couldn't get it in the picture