How many marbles do each own initially?
(3)
the ratio of ann's age to bob's age is 3: 4
in 7 years time this ratio will be 4: 5
( what are their ages now?
(i) after how many years (from now)
will the ratio be 5: 6?

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle

Solve the equation.then check your solution 8=1.88+a