Peter bought three Note 20 Android phones costing 1050 dollars each. If
he had 4000 dollars in his checking
account, write a numerical expression
and then find his balance after he
paid for the phones.

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?

Write the equation in general quadratic form: plz !