All of them
But if u had to pick one I would say addition or subtraction
Answer:
APC is 90 degrees
Step-by-step explanation:
When lines intersect and are perpendicular. that means the angle of intersection is 90 degrees.
APC is 90 degrees
Answer:
10.5
Step-by-step explanation:
Answer:
r =
Step-by-step explanation:
r=30√12,−30√12
Answer:
$300
Explanation:
$10(cost of 1 book) x 5(how many comes in packages) = 50 ( total cost of 1 package)
Mr. Swanson ordered 6 so...
$50 x 6 = $300
Mr. Swanson would have $50 let's over