How do you draw a picture of three sevens of a whole -in-one road

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

Negative 5 1/12 + negative 4 1/4 + 6 3/4

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 .