Patios can be made by mixing cubic meters of cement, gravel, and stones in the ratio 9:4:6. How much gravel is needed to make 209 cubic meters of patio?

Which function families have maximums and minimums? 1.)linear absolute value functions and exponential functions 2.) linear absolute value functions and quadratic functions 3.) linear absolute value functions and linear functions 4.) linear absolute value functions and constant functions

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.