Ahmed is taking orders for lunch. a slice of pizza cost $2.9 and a chicken sandwich costs $3.9. he collects $25.3 for the group of 7 people.
let x=number of pizza orders. let y=number of chicken orders

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.