5th grade and my pfp is me-

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up