Asubmarine is descending to examine the seafloor 2,000 feet below the surface. it takes the submarine 2 hours to make this descent. write a proportional relationship to describe the descent.

Plz answer asap plz which is a solution to the equation 4b2 − 11b = 28 + 5b2? a) −5 b) −4 c) −3 d) 4

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?