Alexander correctly answered 44 out of 50 questions on his geography test. what percent of the question did he answer incorrectly? express your answer as a percent and as a decimal.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents

Ameteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 10.4, 10.3, 11.7, 11.1, 8.0, 4.4, 2.6, 1.8, 2.5, 4.4, 7.3, 9.5 fill in the missing values in the formula. what is the variance?