Which number set has only irrational numbers? a) {-7.4, 0, 3.14} b) {- 5 6 , 7 8 , π 2 } c) { 2 , 5 , π} d) { 8 , 9 , 10 }

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

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.