Andrei wants to fill a glass tank with marbles, and then fill the remaining space with water. w(n)w(n)w, left parenthesis, n, right parenthesis models the amount of water andrei uses (in liters) if he uses nnn marbles. w(n)=32-0.05nw(n)=32−0.05nw, left parenthesis, n, right parenthesis, equals, 32, minus, 0, point, 05, n what is the volume of each marble?

Beatrice decides she wants to babysit a few children at the same time to earn the money faster. she tells parents that if they allow her to babysit their children at her house, she will eliminate her automatic $5 tip and will give them an additional $5 discount. (a) write an equation showing the total cost for each client. identify all variables. (b) four parents bring their children to beatrice’s house at the same time for babysitting. beatrice wants to find out how many hours she must babysit the 4 children to earn exactly the $100 she needs in order to buy the present for her mother. write and solve an equation to find the number of hours. justify each step in the solution. (c) one parent decides not to drop off her child. the remaining 3 parents drop their children off at 9 a.m. two of the parents say they will be back at 1 p.m. the third parent says she will pick up her child at 2 p.m. at noon, beatrice realizes she needs feeding the 3 ch

Our goal is to collect email addresses from 60% of customers who purchase a product." so that means if i talk to 95 customers, i need to persuade to provide an email address?

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i