The expression 53 ( 1 − x) gives the discounted price of a pair of shoes, where x is the percent of the discount written in decimal form.
what does 1 − x represent in the expression?
a. percent of original price being paid
b. discount price of the shoe
c. percent of discount
d. original price of shoe

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Atransformation t : (x, y) (x-5,y +3) the image of a(2,-1) is