4points: a, b,c and d are marked in order on a line such that ab: ac = 3: 5 and bd: cd= 7: 2. if cd is 10cm long, find the length of ab.

Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1

Drag each expression to the correct location on the solution. not all expressions will be used. consider the polynomial 8x + 2x2 - 20x - 5. factor by grouping to write the polynomial in factored form.

How many 2/5s are in 1 and 1/2 plz someone me right now