Are 2(x - 3) + 1 and 2x + 6 equivalent expressions​

The ratio of two numbers is 5 to 4. the sum of the numbers is 99. what number is the greater of the two numbers?

What number produces an irrational number when multiplied by -1.25

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius