Fast
a 25-kg child sits at the top of a meter slide. after sliding down, the child is traveling at 5 m/s. how much pe does he start with/ how much ke does he end with? how much energy is lost to friction?
( its science i got confused, but if anyone knows how to do this plzzz ! )

What is the measure of the smallest angle in the diagram? 15 29 32 45

Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?