The cost of interest of a $500 loan for 12 months is $21.88. What is the interest rate charged for the loan per year?

One integer is 8 times another. if the product is 72, then find the integers

Julia bought 7 hats a week later half of all her hats were destroyed in a fire. there are now only 12 hats left with how many did she start

X+y ≥20 x≤2y a) (0,22) b) (7,11) c) ( 15,6) d) (10,10) e) (12,5) f) (8,16)