At the beginning of year 1 matilda invest 450$ at an annual simple in interest rate of 5%. she makes no deposits to or withdraws from the account. which explicit formula can be used to find the account balance at the beginning of year 15 what is the balance

The axis of symmetry for the graph of the function f(x)=1/4^2+bx +10 is x=6. what is the value of b?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

Need so much on this one how many yards?