William earns £9.30 for 1 half hours of work. Work out how much he would earn for:

A) 30 minutes

B) 5 hours

a)3.10

b)31

Step-by-step explanation:

a) 1 half hour = 90 min

90÷30=3

9.30÷3=3.10

b)5 hrs -> 300 min

300÷30=10

10x3.10=31

hello from mrbilldoesmath!

answer:   x (x+6)^2, choice b

discussion:

factor x out of the equation:

x^3 + 12x^2 + 36x = x (x^2 + 12x + 36).

note that 6+6 = 12 and 6*6 = 36 so the above factors into:

x (x+6)^2

which is choice b

you,

mrb

just get this app called photo math it should be able to do those