How many 2's must be multiplied for the product to be a number between 100 and 200

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)