out of 200 fish in an aquarium, 99% are guppies. how many guppies must be removed so that the percentage of guppies remaining in the aquarium is 98%?

Write the equation in logarithmic form e^x=403.429

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?

Gables properties corp. is leasing office building with an area of 49b^2+70b+25. what is the shape of the building? a) rectangle b) square