Point d(-1, 5) is reflected across the x-axis. which statements about d' are true?

Alana has 12.5 cups of flour with which she is baking four loaves of raisin bread and one large pretzel. the pretzel requires 2.5 cups of flour to make. how much flour is in each loaf of raisin bread? explain the steps to follow to get the answer.

Evaluate cos2θ for cosθ = square root of 3/2

Ineed me i stuck and i don’t want to get it wrong