If a=(-1,1), b=(5,-2), c=(2,3), d=(a,5) and vector ab is parallel to vector dc, find the value of 'a'.

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Nine people are going to share a 128-ounces bottle of soda. how many ounces will each person get drink? choose the correct equation and answer for this situation

Macy spent $36 on jeans. this was $12 less than twice what she spent on a shirt. which equation to solve this, 12x=36 2x=36-12 2x-12=36 12-2x=36