Which expressions represent the product of a variable and a coefficient? Choose 3 answers:
11c
1/2 t
5. 10
j. 4

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.