Shaq made 2 withdrawals of $80 each from his checking account. he also made a deposit of $300. what is the total change to his account balance?

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 .

Solve the equation by completing the square. x^2+2x=17

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll