PreCal I need help there is an attachment

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

One integer is 5 more than another. their product is 104. find the integers

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.