Ali used 2/7 of a foot of ribbon to attach a decoration to his rearview mirror. Now, he has 10/21​ of a foot of ribbon left. QUESTION: How much ribbon did Ali start with?

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x, y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis