What is the value of ( -3.8)+0+( -0.6)+6.4 ?

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

What are the relative frequencies to the nearest hundredth of the columns of the two-way table? a b group 1 102 34 group 2 18 14

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost