How do I do substitution

Camelle manages her soccer team. She needs to order 4 practice jerseys for each player. There are y players. How many total practice jerseys does she need to order?

A bag contains 10 blue, 6 green, and 4 red marbles. You choose a marble with one hand and then a second marble with the other hand.

A car is traveling at a speed of 52 mph. How far does it travel in 31/2hr?

Keelah clothing store buys coats for $50 and then sells them for $80. What is the percent of markup on the price of the coat?

I am a multiple of 10 my factors include an even number and an odd number I am greater than 3 x 5 and less than 4 x 7 what number am I

Which sentence correctly forms the plural of the number 5? A. Jasmine's house number has three 5s and a 1. B. Jasmine's house number has three 5s' and a 1. C. Jasmine's house number has three 5's and a 1.

You toss a coin and roll a number cube. Find P (heads and an even number)

Of the original 56 signers of the declaration of independence four of them are present in North Carolina if you selected one sign randomly how likely is it that he represent in North Carolina

Michelle built a fence around her square garden. If Michelle used 72 yards of fencing to enclose her garden, what is the length of each side? 12 yards 16 yards 18 yards 36 yards

Lisa went on a 52km hike. she divided the distance traveled evenly over 4 days. how many meter did lisa walk each day