Lauren has started a business baking cupcakes. it takes one minute to frost each batch. how many will it take her and 4 friends to prepare 20 batches of cupcakes if everyone batches at the same rate? plss me

Which one is true about the hexagons ?

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations

How many zeroes do we write when we write all the integers 1 to 243 in base 3?