The <u>associative property of addition</u> says that when every operation is addition, you can group numbers however you like and choose which pair of numbers to add first; you can move parentheses without changing the answer.
Answer:
1. Alternate angles, 2. Right angle, 3. Acute Angle, 4. Reflex angle
Step-by-step explanation:
<span>The only type of triangle in which all three angles measure less than 90 degrees is the acute one. So the correct answer is C. acute.</span>
Step-by-step explanation:
step 1. The correct question is "solve the system of equations."
step 2. when you graph these equations they are parallel since they have the same slope.
step 3. There is no solution to the system when the lines are parallel ( they dont cross).