Big points my sister is 16 years old. my brother says that his age minus eighteen is equal to my sister's age. how old is my brother? write a equation with b as variable.

Which value is not a solution of 8x^3 – 1 = 0

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

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 .