What is a partial product equation and product of 45 x 12

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school

Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4