4 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.​

The graph of a line gets what as the value of the slope gets bigger

If you apply the below transformations to the square root parent function, f(x) = vx, what is the equation of the new function? • shift 12 units right. • shift seven units down.

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.