What is the approximate volume of the cylinder. use 3.14 for tt a.) 1,017.36 cm^3 b.) 452.16 cm^3 c.) 113.04 cm^3 d.) 226.08 cm^3

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

Which of the following expressions cannot be simplified to x – 2?

The cost varies directly with the number of tickets purchased. it costs $145 for 10 people to attend a concert. a. what is the constant of proportionality (k)? b. write the direct variation equation. c. home much does it cost for 8 people? d. graph this situation. be sure to label each axis and give the graph a title.