Simplify the expression

4x - 2x - 20x + x

The ratio of red circles to blue circles is 1:3 How many more red circles would need to be added to make the ratio of red to blue 3:1?

How many times does 5 go into 75

Through (-4,2) and (1,4) how is it solved

Is 9in, 15in, 17in a right triangle

The drama club is selling tickets to their play to raise money for the show's expenses. Each student ticket sells for $8 and each adult ticket sells for $11.50. The auditorium can hold at most 81 people.

Suppose carpet for a 6 ft by 14 ft room costs $400. find the cost to carpet a room 18 ft by 42 ft.

A person invests 5000 dollars in a bank. The bank pays 4% interest compounded annually. To the nearest tenth of a year, how long must the person leave the money in the bank until it reaches 8200 dollars? A = P (1 + r over n) ^nt

Raymond bought 3/4 of a dozen rolls. how many rolls did he buy?

Eight women of different heights are at a party. Each woman decides to only participate in a handshake with women shorter than herself. How many handshakes take place?

Christine has $10 in a savings account that earns 10% interest compounded annually. To the nearest cent, how much will she have in three years?