What is the slope of any line that is perpendicular to the line y = 18 ?
a. slope = 0
b. slope = 1
c. slope = -1
d. slope slope is unidentified

About 400,000 people visited an art museum in december. what could be the exact number of people who visited the art museum?

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?