There are 270 students in Year 7 Each student studies one of French or German or Spanish.

Of these 270 students

2

study French

9

the number who study French : the number who study Spanish = 3:7

42 boys study German

Of the students who study German, what percentage are boys?

You must show your working.

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315