Which equation could be used to solve problems involving the relationships between the angles?

A. 90 + (8a + 9) = (11 + 2a)
B. 90 − (8a + 9) = (11 + 2a)
C. (11 + 2a) − 90 = (8a + 9)
D. (8a + 9) − (11 + 2a) = 90

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula

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.

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12