Aclass conducts a survey of 1,000 students. the survey reveals that 20% of the students speak spanish. how many speak spanish?

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265

How can writing phrases as algebraic expressions you solve problems?