Emanuel has 745 pictures in his phone. his memory is getting full so he starts deleting 20 pic per day. define each variable and write an algebraic expression to describe any given number of pictures remaining on his phone any given day

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 104 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 105 feet. vincent wants to know how much higher felix went on his skydiving trip. question 1 you have already seen how adding numbers works in either scientific notation or standard notation. but can you subtract numbers in scientific notation and get the same results as subtracting in standard notation? to find out, first solve vincent’s problem in standard notation. part a write the cruising altitude of vincent’s plane in standard notation.

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?