An otter is swimming at -4.2 yd relative to the surface of the water. It dives 8.6 yd deeper. After the dive, what is the otter's elevation
relative to the surface of the water?
A -12.8 yd
B -4.4 yd
C 4.4 yd
D 12.8 yd

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?

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.

If the discriminant if a quadratic equation is 4 which statement describes the roots?