You are going to spend $47.50 to play games at the fair. each game costs $0.50 per play. which of these equations best shows how much money you have left as you play the games?
a : money left = -50 • games played + 47.50
b : money left = -0.50 • games played + 47.50
c : money left = 0.50 • games played + 47.50
d : money left = 47.50 • games played + 0.50

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82

An equation where variables are used to represent known values—function notation true or false

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi