17. Macro mineral needed to build strong bones and teeth A- iron
B -calcium
18. Bodies inability to break down lactose due to absence of the enzyme lactase
A- Lactose Intolerant
B- Celiac Disease

Please HELP ME ITS DUE LIKE RN

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document

The four students in the table below each recorded the time and distance traveled while exercising. exercising distance (miles) time (minutes) gia 2 30 harris 5 50 ian 3 40 jackson 4 80 which list ranks the students from fastest walker to slowest walker? jackson, gia, ian, harris harris, jackson, ian, gia harris, ian, gia, jackson jackson, harris, ian, gia

Jack brought 12 pet monkeys. if each monkey cost $45.99, how much money did he spend in all?