3. solve the following inequalities by performing a reverse operation to both sides. show your work. (4
points; 2 points each)
a. t+7=-13
b. n-12-17

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

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

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.