Find the probability of obtaining exactly one tail when flipping 3 coins. Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth. Please help me figure this out

Deshawn uses 3/4 of a box of rice to cook dinner the portion he uses weighs 12 ounces right and solve an equation to find the weight of the full box of rice

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

I’m not good at math can i have ? ?