I can’t find the fraction for 0.45

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

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 .