April and alex are saving money to buy new phones. each friend starts with some money and saves a specific amount each week. alex wrote an equation to show the total, y, she has saved at the end of each week, x. y = 20x + 125 april made a graph to show the total he has saved at the end of each week.. compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. alex starts with $ and april starts with $

Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25