Which equations are correct? Select each correct answer.

5x4(4x2)=20x6

6a5(6a5)=36a25

3z7(4z2)=12z9

6b4(−3b4)=−18b8Which equations are correct?

Select each correct answer.

5x4(4x2)=20x6

6a5(6a5)=36a25

3z7(4z2)=12z9

6b4(−3b4)=−18b8

Paint color preference children adults total 0.6 0.77 liked new paint color disliked new paint color 0.4 0.15 0.23 total 1.0 1.0 1.0 which value for x completes the conditional relative frequency table by column?

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.