In a Science class, there are thirty students. Ten are males and twenty are females. On the last quiz, three males earned an A and six females. What is the approximate probability of selecting a boy or a student that earned an A on the quiz?

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

Can someone check if i did this correct. it’s number 4 if you’re wondering.

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .