How do you answer a question such as 1/4 away from (2,3) (4,6)

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?