At the end of the day brooke had $138.75 in her checking account she had made a deposit of $115.07 and written checks totaling $176.94 how much did she have in her checking account in the beginning ?

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie