Alfredo has 100 dollars from his baseball card collection. He gives some to his friends then buys 4 times as much as he had before. How many baseball cards does he have?

Bill has $590 in his account. He earned $15 per hour for x hours, and deposited his earnings into his account. Jeremy has $545 in his account. He earned $20 per hour for x hours, and deposited his earnings into his account.

What value of x make this proportion tire 120/165 = x/11

Two friends rent an apartment together. They agree that one persona will pay 1.5 times what the other person pays. If the rent is $850, how much will each friend pay?

X+4/5 is less than or equal to - 2

What is the simplified form of the expression 27? A. 1 B. 3 C. 6 D. 9

Square root 2x-1+2=5 what is x equal to?

People are entering a stadium at a steady rate of 40 people per minute. After 60 minutes there are 2500 people in the stadium. If no one left during the 60 minutes, how many people were in the stadium before the gates opened?

This is an angle having a measure greater than 90° and up to 180°

The cost of c of ham shandwhich at a deli varies directly with the number of sandwiches n if c=$54 when n is 9 what is the cost of snadwhiches when n is 3

The ratio of two numbers is 5:3. Their sum is 64. What is the smaller number?