HELP HURRY PLEASE
.Factorise
a) 2x+6
b) 3y+9
c) 10+5x

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl