Gina wants to estimate the total of 3 bills she has to pay the bills are for 215 115 and 138 gina wants to make sure that she has enough money .She wants the estimate to be greater than the total of the bills. Should she round to the nearest tens or hundreds explain and show answers

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?