If C = S – 5 and D=s. - 8, find an expression that equals C + 2D in
standard form.

1foot = 12 inches; 1 yard = 3 feet

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.

The suare root of 9x plus 7 plus the square rot of 2x equall to 7