-1+(4+4x)=83
3(1-15x)+17x=-361

Find the missing factor in exponential form 48^2=3^2 • ?

What is the number 321,000,000 in scientific notation? also what is the number? ?

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)