Solve 2x2 + 3x = −8. a) the quantity of negative 3 plus or minus 11 i all over 4 b) the quantity of negative 3 plus or minus i square root 55 all over 4 c) negative 3 plus or minus i square root 23 d) 3 plus or minus i square root 11

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Type the correct answer in each box. use numerals instead of words. the average number of subscribers to an online magazine each year from 2010 to 2015 is given in the table below. the average number of subscribers to the online magazine in 2010 was the percent increase in the average number of subscribers in 2011 to the average number of subscribers in 2012 was %. the maximum average number of subscribers to the online magazine in the years shown was

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?