What is the equation of the line perpendicular to the line y = start fraction 4 over 9 end fractionx – 2 that passes through the point (4, 3)?
a. y = –start fraction 4 over 9 end fractionx – 2
b. y= nine-fourthsx + 6
c. y = –nine-fourthsx + 12
d. y = –nine-fourthsx – 12

write an equation of the line that passes through points (3, 7) and (5, 11).
a. y – 7 = 5(x – 3)
b. y – 7 = 2(x – 3)
c. y + 7 = 5(x – 3)
d. y + 7 = 2(x + 3)

On saturday a souvenir shop had 125 customers.sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent

Ascientist places 24 cells in a petri dish. she knows the cells grow at an exponential rate, doubling in number every hour. how long will it take (in hours) for there to be 1100 cells in the dish? time to 1100 cells: 5.51832530 hours how long will it take to reach 110 cells? time to 110 cells : 2.1963972 hours what is the average rate of change in the number of cells between 9 hours and 11 hours? average rate of change: cells per hour what is the instantaneous rate of change after 7 hours? instantaneous rate of change: cells per hour note: you can earn partial credit on this problem.