Pls help with this question

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

Lines b and c are parallel. what is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°

Anutrition company is marketing a low calorie snack brownie. a serving size of the snack is 3 brownies and has a total of 50 calories. determine how many calories 21 brownies would have