Stephanie has $152 in the bank. she withdraws $20. then she deposits $84. write an addition expression to represent this situation. then find the sum and explain its meaning.

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Two florida panthers were weighed. one weighs 6x+21 pounds and the two together weigh 14x+11 pounds how much does he other panther weigh alone

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain