Which is equivalent to the expression 8x(3x + 7) ?

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

Simplify the expression 8h - 57-3m by adding or subtracting the like term

The perimeter of △cde is 55 cm. a rhombus dmfn is inscribed in this triangle so that vertices m, f, and n lie on the sides cd , ce , and de respectively. find cd and de if cf=8 cm and ef=12 cm. the answer is not cd=20 and de=15. i have tried that one, it does not work.