You have $18 to spend on oranges and grapes. graph the equation 1.5x+2y=181.5x+2y=18, where xx is the number of pounds of oranges and yy is the number of pounds of grapes. then find the maximum number of pounds of grapes you can buy.

With math question will mark brainliest question in the pic.

Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.