César is on a trip to Costa Rica. He wants to buy a shirt that costs 12,000 Colones. He knows that the conversion rate is 533 Colones for every 1 US Dollar. How much does the shirt cost in US
Dollars?

Which is the standard form for this number? (4 x 1 100 ) + (8 x 1 1,000 ) + ( 3 x 1 100,000 ) ? a) 0.004803 b) 0.04803 c) 0.0483 d) 0.483

What is the average rate of change for this function for the interval from x=2 to x=4 ?

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.