The ratio of boys to girls in a room is 6:5. If three boys leave the room, the ratio is 1:1. How many girls are in the room?

What is the square root of 100/9?

Find the quotient 3) 48

There are 40 tables in a library, with 30% of them seating 4 people. The tables remaining only seat 2 people. How many seats are there in the library?

John invested 12 dollars in a bank account, the interest rate 16%

Teresa and Susan have been given with four cards with four different functions on them. Function A: f (x) = 3^x + 1 Function B:f (x) = 3 (x+100) Function C:f (x) = 30x+2 Function D:f (x) = 0.

If chord is 3 inches from the center and chord is 5 inches from the center of the same circle, then chord CD is the longer chord.

Tom gets a bonus of 30% of £96 Sally gets a bonus of £31.40 Work out the difference between the bonus Tom gets and the bonus Sally gets.

Write (x - 5) (x + 5) (2x - 1) in standard form. -x2 + 2x2 - 50x + 25 2r? - x? - 50x + 25 2x - x2 - 50x -50x - x? + 2x

Simplify by combining like terms. (Do not factor) 2x^2 + 2xy - 7y^2 - 7y^2 - xy + 2y^2

A Sprinter sprints at 8.0m/s. A cyclist rides at 20km/h. Who is faster? Show your workings clearly.