Mason conducted a survey of his class to determine if they prefer to use pens or pencils for their math homework. out of the 30 students in his class, 12 of them are male. a total of 21 students said they prefer pencils, and 12 of those students are female.

Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.

Find the ratios of the corresponding sides

How can writing phrases as algebraic expressions you solve problems?