Simon must maintain an average grade of 80% or better in his math class to be eligible to play sports. his math grade so far are 80%, 84%, 76%, 77% at this point his grades make him ineligible to play. what is the lowest he can score on the next grade to bring his average score up to 80%. wright and inequality to represent the average of the five grades as greater than or equal to 80%. use the inequality to prove what his lowest score could be on the fifth test.

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

List the sides of δrst in in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?